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| chipkit_pro_mx4:refmanual [2015/03/18 23:38] – [6 5V Signal Compatibility] brandon marcum | chipkit_pro_mx4:refmanual [2022/10/04 11:38] (current) – external edit 127.0.0.1 | ||
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| ====== ChipKIT™ PRO MX4 Board Reference Manual ====== | ====== ChipKIT™ PRO MX4 Board Reference Manual ====== | ||
| - | {{ : | + | {{: |
| ---- | ---- | ||
| ==== Revision History ==== | ==== Revision History ==== | ||
| Line 73: | Line 73: | ||
| The ChipKIT Pro MX4 has a number of input/ | The ChipKIT Pro MX4 has a number of input/ | ||
| Digilent Pmod™ line of peripheral modules to provide a variety of input and output functions. For more | Digilent Pmod™ line of peripheral modules to provide a variety of input and output functions. For more | ||
| - | information, | + | information, |
| for RC hobby servos, two push button switches, and four LEDs, as well as providing connections for two I< | for RC hobby servos, two push button switches, and four LEDs, as well as providing connections for two I< | ||
| Line 199: | Line 199: | ||
| microcontroller, | microcontroller, | ||
| - | The ChipKIT Pro MX4 Schematic, available on the ChipKIT Pro MX4 product | + | The ChipKIT Pro MX4 Schematic, available on the ChipKIT Pro MX4 [[/ |
| - | www.digilentinc.com | + | |
| The PIC32MX3XX/ | The PIC32MX3XX/ | ||
| Line 478: | Line 477: | ||
| - | The PIC32 microcontroller supports numerous clock source options for the main processor operating clock. The | + | The PIC32 microcontroller supports numerous clock source options for the main processor operating clock. The ChipKIT Pro MX4 circuit board is designed to support either a silicon resonator from Discera, IC8, for use with the EC oscillator option, or an external crystal for use with the XT oscillator option. Standard production boards will have an 8Mhz Discera silicon resonator loaded and the EC oscillator option should be used. If IC2 is not loaded, an 8Mhz crystal will be loaded for X1 (on the top of the board) and the XT oscillator option should be used. Oscillator options are selected via the configuration variables specified using the #pragma config statement. Use |
| - | ChipKIT Pro MX4 circuit board is designed to support either a silicon resonator from Discera, IC8, for use with the | + | < |
| - | EC oscillator option, or an external crystal for use with the XT oscillator option. Standard production boards will | + | |
| - | have an 8Mhz Discera silicon resonator loaded and the EC oscillator option should be used. If IC2 is not loaded, an | + | |
| - | 8Mhz crystal will be loaded for X1 (on the bottom | + | |
| - | Oscillator options are selected via the configuration variables specified using the #pragma config statement. Use | + | |
| - | #pragma config POSCMOD=EC to select the EC option and #pragma config POSCMOD=XT to select the | + | |
| - | XT option. | + | |
| - | Using the internal system clock phase-locked loop (PLL), it is possible to select numerous multiples or divisions of | + | Using the internal system clock phase-locked loop (PLL), it is possible to select numerous multiples or divisions of the 8Mhz input frequency to produce CPU operating frequencies up to 80Mhz. The clock circuit PLL provides an input divider, multiplier, and output divider. The external clock frequency (8Mhz) is first divided by the selected input divider value. This is multiplied by the selected multiplier value and then finally divided by the selected output divider. The result is the system clock, SYSCLK, frequency. The SYSCLK frequency is used by the CPU, DMA controller, interrupt controller and pre-fetch cache. |
| - | the 8Mhz input frequency to produce CPU operating frequencies up to 80Mhz. The clock circuit PLL provides an | + | |
| - | input divider, multiplier, and output divider. The external clock frequency (8Mhz) is first divided by the selected | + | |
| - | input divider value. This is multiplied by the selected multiplier value and then finally divided by the selected | + | |
| - | output divider. The result is the system clock, SYSCLK, frequency. The SYSCLK frequency is used by the CPU, DMA | + | |
| - | controller, interrupt controller and pre-fetch cache. | + | |
| - | The values controlling the operating frequency are specified using the PIC32MX460 configuration variables. These | + | The values controlling the operating frequency are specified using the PIC32MX460 configuration variables. These are set using the #pragma config statement. Use < |
| - | are set using the #pragma config statement. Use #pragma config FPLLIDIV to set the input divider, | + | < |
| - | #pragma config FPLLMUL to set the multiplication factor and #pragma config FPLLODIV to set the | + | Section 6. Oscillators, |
| - | output divider. Refer to the PIC32MX3XX/ | + | |
| - | Section 6. Oscillators, | + | |
| - | multiplication and division factors will work. | + | |
| - | In addition to configuring the SYSCLK frequency, the peripheral bus clock, PBCLK, frequency is also configurable. | + | In addition to configuring the SYSCLK frequency, the peripheral bus clock, PBCLK, frequency is also configurable. The peripheral bus clock is used for most peripheral devices, and in particular is the clock used by the timers, and serial controllers (UART, SPI, I2C). The PBLCK frequency is a division of the SYSCLK frequency selected using |
| - | The peripheral bus clock is used for most peripheral devices, and in particular is the clock used by the timers, and | + | #pragma config FPBDIV. The PBCLK divider can be set to divide by 1, 2, 4, or 8 using the values DIV_1, DIV_2, DIV_4 or DIV_8. |
| - | serial controllers (UART, SPI, I2C). The PBLCK frequency is a division of the SYSCLK frequency selected using | + | |
| - | #pragma config FPBDIV. The PBCLK divider can be set to divide by 1, 2, 4, or 8 using the values DIV_1, | + | |
| - | DIV_2, DIV_4 or DIV_8. | + | |
| - | + | ||
| - | The following example will set up the ChipKIT Pro MX4 for operation using the Discrea silicon resonator with a | + | |
| - | SYSCLK frequency of 80Mhz and a PBCLK frequency of 10Mhz: | + | |
| + | The following example will set up the ChipKIT Pro MX4 for operation using the Discrea silicon resonator with a SYSCLK frequency of 80Mhz and a PBCLK frequency of 10Mhz: | ||
| + | < | ||
| #pragma config FNOSC = PRIPLL | #pragma config FNOSC = PRIPLL | ||
| - | |||
| #pragma config POSCMOD = EC | #pragma config POSCMOD = EC | ||
| - | |||
| #pragma config FPLLIDIV = DIV_2 | #pragma config FPLLIDIV = DIV_2 | ||
| - | |||
| #pragma config FPLLMUL = MUL_20 | #pragma config FPLLMUL = MUL_20 | ||
| - | |||
| #pragma config FPLLODIV = DIV_1 | #pragma config FPLLODIV = DIV_1 | ||
| - | |||
| #pragma config FPBDIV = DIV_8 | #pragma config FPBDIV = DIV_8 | ||
| + | </ | ||
| - | Documentation for the PIC32 configuration variables can be found in the PIC32MX Configuration Settings guide. | + | Documentation for the PIC32 configuration variables can be found in the PIC32MX Configuration Settings guide. This is found using the “Help.Topics…” command in the MPLAB IDE. Also, refer to Appendix B for an example of setting the configuration variables. |
| - | This is found using the “Help.Topics…” command in the MPLAB IDE. Also, refer to Appendix B for an example of | + | |
| - | setting the configuration variables. | + | |
| - | When using the ChipKIT Pro MX4 with the MPIDE software, the clock source is set by the boot loader and no action | + | When using the ChipKIT Pro MX4 with the MPIDE software, the clock source is set by the boot loader and no action is required. |
| - | is required. | + | |
| ---- | ---- | ||
| Line 533: | Line 507: | ||
| - | The PIC32MX460 microcontroller contains a USB 2.0 Compliant, Full Speed Device and On-The-Go (OTG) controller. | + | The PIC32MX460 microcontroller contains a USB 2.0 Compliant, Full Speed Device and On-The-Go (OTG) controller. This controller provides the following features: |
| - | This controller provides the following features: | + | |
| * USB full speed host and device support | * USB full speed host and device support | ||
| Line 542: | Line 515: | ||
| * Integrated DMA to access system RAM and Flash memory. | * Integrated DMA to access system RAM and Flash memory. | ||
| - | The USB controller uses a phased lock loop, PLL, to generate the necessary USB clock frequency from the external | + | The USB controller uses a phased lock loop, PLL, to generate the necessary USB clock frequency from the external primary oscillator input frequency. By default, this PLL is disabled. In order to use the USB controller, it is necessary to enable the USB PLL, and set the input divider to the correct value to generate a valid USB clock. The input to the USB PLL must be 4Mhz. The ChipKIT Pro MX4 provides an 8Mhz clock to the PIC32 microcontroller, |
| - | primary oscillator input frequency. By default, this PLL is disabled. In order to use the USB controller, it is necessary | + | < |
| - | to enable the USB PLL, and set the input divider to the correct value to generate a valid USB clock. The input to the | + | |
| - | USB PLL must be 4Mhz. The ChipKIT Pro MX4 provides an 8Mhz clock to the PIC32 microcontroller, | + | |
| - | input divider value of 2 must be used. These parameters are set in the PIC32 microcontroller configuration | + | |
| - | registers using the #pragma config statement. The following statements must be used to configure the PIC32 | + | |
| - | microcontroller for use of the USB controller: | + | |
| #pragma config UPLLEN = ON | #pragma config UPLLEN = ON | ||
| - | |||
| #pragma config UPLLIDIV = DIV_2 | #pragma config UPLLIDIV = DIV_2 | ||
| + | </ | ||
| + | When using the chipKIT MPIDE development environment, | ||
| - | When using the chipKIT MPIDE development environment, | + | When operating as a USB device, the ChipKIT Pro MX4 can be operated as a self-powered device or as a bus powered device. To operate as a self-powered device, an external power supply should be connected to one of the external power connectors (J13, J14 or J18) and a shorting block placed on the “EXT” position of J12. To operate as a USB bus powered device, the shorting block should be placed in the USB Device position, “USB”, on J12. |
| - | action is needed. | + | |
| - | + | ||
| - | When operating as a USB device, the ChipKIT Pro MX4 can be operated as a self-powered device or as a bus | + | |
| - | powered device. To operate as a self-powered device, an external power supply should be connected to one of | + | |
| - | the external power connectors (J13, J14 or J18) and a shorting block placed on the “EXT” position of J12. To | + | |
| - | operate as a USB bus powered device, the shorting block should be placed in the USB Device position, “USB”, on | + | |
| - | J12. | + | |
| - | Note that when operating as a bus powered device, the ChipKIT Pro MX4 and all devices connected to it are limited | + | Note that when operating as a bus powered device, the ChipKIT Pro MX4 and all devices connected to it are limited to using no more than 500mA of current. |
| - | to using no more than 500mA of current. | + | |
| - | Connector J15, on the bottom of the board in the lower right corner is the Device/OTG connector. This is a | + | {{ : |
| - | standard USB micro-AB connector. Connect a cable with a micro-A plug (optionally available from Digilent) from | + | |
| - | this connector to an available USB port on a PC or USB hub for device operation. | + | |
| - | When operating as a USB host, the ChipKIT Pro MX4 must be externally powered. Connect a regulated 5V power | + | When operating as a USB host, the ChipKIT Pro MX4 must be externally powered. Connect a regulated 5V power supply to one of the external power connectors (J13, J14, or J18) and ensure that the shorting block is in the center, “EXT” position of J12. The power supply used must be a regulated 5V supply. The ChipKIT Pro MX4 board provides power to the attached USB device when operating as a host, and the USB specification requires the use of a 5V power supply. NOTE: Providing a voltage greater than 5V can damage the ChipKIT Pro MX4 board and/or the USB device being used. |
| - | supply to one of the external power connectors (J13, J14, or J18) and ensure that the shorting block is in the | + | |
| - | center, “EXT” position of J12. The power supply used must be a regulated 5V supply. The ChipKIT Pro MX4 board | + | |
| - | provides power to the attached USB device when operating as a host, and the USB specification requires the use of | + | |
| - | a 5V power supply. NOTE: Providing a voltage greater than 5V can damage the ChipKIT Pro MX4 board and/or the | + | |
| - | USB device being used. | + | |
| - | Connector J17, on the top of the board in the lower right corner is the USB host connector. This is a standard USB | + | {{ : |
| - | type A receptacle. USB devices may be connected either directly or through a standard USB cable. | + | |
| - | Jumper JP6 is used to route power to the host connector being used. Place the shorting block in the “HOST” | + | {{ : |
| - | position when using the standard USB type A (host) connector, J17. Place the shorting block in the “OTG” position | + | |
| - | for use with the USB micro-AB (OTG) connector, J15. | + | |
| - | When operating as a USB host, the PIC32MX460 microcontroller controls application of power to the connected | + | When operating as a USB host, the PIC32MX460 microcontroller controls application of power to the connected device via the VBUSON control pin. Bus power is applied to the device by driving the VBUSON pin high. Power is removed from the device by driving the VBUSON pin low. The VBUSON pin is accessed via bit 3 of the U1OTGCON register.\\ \\ \\ \\ \\ \\ \\ \\ \\ \\ |
| - | device via the VBUSON control pin. Bus power is applied to the device by driving the VBUSON pin high. Power is | + | |
| - | removed from the device by driving the VBUSON pin low. The VBUSON pin is accessed via bit 3 of the U1OTGCON | + | |
| - | register. | + | |
| - | Pin 20 of the PIC32MX460 microcontroller is used for the VBUSON function. Place the shorting block in the | + | {{ : |
| - | VBUSON position of jumper block J16 when using the ChipKIT Pro MX4 for USB host operation. | + | |
| - | The VBUSON pin drives the enable input of a TPS2051B Current-Limited Power Distribution Switch to control the | + | {{ : |
| - | application of USB power to the host connector. This switch has over-current detection capability and provides an | + | |
| - | over-current fault indication by pulling the signal P32_USBOC low. Jumper JP5 is used to enable monitoring of the | + | |
| - | overcurrent fault indication. The over-current output pin can be monitored via the INT2/RE9 pin on the | + | |
| - | PIC32MX460 microcontroller when a shorting block is installed on JP5. The INT2/RE9 pin is also connected to Pmod | + | |
| - | connector JE, pin 7 (JE-07). Pmod connector pin JE-07 should not be used when using INT2/RE9 to monitor the | + | |
| - | USB overcurrent fault indicator. Remove the shorting block from JP5 to restore normal operation of JE-07. | + | |
| - | Details about the operation of the TPS2051B can be obtained from the data sheet available at the Texas | + | Details about the operation of the TPS2051B can be obtained from the data sheet available at the Texas Instruments web site. |
| - | Instruments web site. | + | |
| - | Jumper JP10 can be used to disconnect the power supply from USB load switch, IC6, when the board is operating | + | {{ : |
| - | from a power supply with a higher voltage than 5V. When the ChipKIT Pro MX4 is operating as a USB host, a | + | |
| - | shorting block must be in place on JP10. | + | |
| - | The Microchip Applications Library, MAL, available on the Microchip web site contains USB driver code for | + | The Microchip Applications Library, MAL, available on the Microchip web site contains USB driver code for implementing either USB host devices or USB function devices. This library contains numerous examples demonstrating both device and host operation of PIC32 microcontrollers. With minor modification or configuration, |
| - | implementing either USB host devices or USB function devices. This library contains numerous examples | + | |
| - | demonstrating both device and host operation of PIC32 microcontrollers. With minor modification or | + | |
| - | configuration, | + | |
| - | board. | + | |
| - | Digilent has USB libraries available that can be used to develop both USB device and USB host applications when | + | Digilent has USB libraries available that can be used to develop both USB device and USB host applications when using the board with the MPIDE development environment. These libraries can be downloaded from the ChipKIT Pro MX4 product page on the Digilent web site. |
| - | using the board with the MPIDE development environment. These libraries can be downloaded from the ChipKIT | + | |
| - | Pro MX4 product page on the Digilent web site. | + | |
| The Digilent chipKIT libraries contain examples illustrating various USB host and device applications. | The Digilent chipKIT libraries contain examples illustrating various USB host and device applications. | ||
| Line 622: | Line 553: | ||
| ===== 9 UART Interface ===== | ===== 9 UART Interface ===== | ||
| - | The PIC32MX460 microcontroller provides two UART interfaces, UART1 and UART2. These UARTs can provide | + | The PIC32MX460 microcontroller provides two UART interfaces, UART1 and UART2. These UARTs can provide either a 2-wire or a 4-wire asynchronous serial interface. The 2-wire interface provides receive (RX) and transmit (TX) signals. The 4-wire interface includes request-to-send (RTS) and clear-to-send (CTS) in addition to receive and |
| - | either a 2-wire or a 4-wire asynchronous serial interface. The 2-wire interface provides receive (RX) and transmit | + | |
| - | (TX) signals. The 4-wire interface includes request-to-send (RTS) and clear-to-send (CTS) in addition to receive and | + | |
| transmit. | transmit. | ||
| - | UART1 can be accessed from Pmod connector JE and UART2 can be accessed from Pmod connector JH using the | + | UART1 can be accessed from Pmod connector JE and UART2 can be accessed from Pmod connector JH using the following pins: |
| - | following pins: | + | |
| * U1CTS JE-01 | * U1CTS JE-01 | ||
| Line 640: | Line 568: | ||
| * U2RTS JH-04 | * U2RTS JH-04 | ||
| - | Detailed information about the operation of the UART peripherals can be found in the PIC32 Family Reference | + | Detailed information about the operation of the UART peripherals can be found in the PIC32 Family Reference Manual, Section 21, UART. |
| - | Manual, Section 21, UART. | + | |
| - | The USB Serial converter is connected to UART1. The MPIDE uses this to communicate with the boot loader. This | + | The USB Serial converter is connected to UART1. The MPIDE uses this to communicate with the boot loader. This can also be used for a serial communications interface between the ChipKIT Pro MX4 board and other software running on a PC. Resistors are used to decouple the USB serial interface and so UART1 can also be used via Pmod connector JE when it is not being used to communicate via the USB serial converter. |
| - | can also be used for a serial communications interface between the ChipKIT Pro MX4 board and other software | + | |
| - | running on a PC. Resistors are used to decouple the USB serial interface and so UART1 can also be used via Pmod | + | |
| - | connector JE when it is not being used to communicate via the USB serial converter. | + | |
| - | Note that when using the MPIDE software, devices connected to JE can interfere with the operation of the serial | + | Note that when using the MPIDE software, devices connected to JE can interfere with the operation of the serial interface and prevent the MPIDE from successfully downloading sketches to the board. If this happens, disconnect the external device from JE until the sketch has been downloaded and then reconnect it. |
| - | interface and prevent the MPIDE from successfully downloading sketches to the board. If this happens, disconnect | + | |
| - | the external device from JE until the sketch has been downloaded and then reconnect it. | + | |
| - | When using the ChipKIT Pro MX4 with the MPIDE and the chipKIT system, the UARTs are accessed using the | + | When using the ChipKIT Pro MX4 with the MPIDE and the chipKIT system, the UARTs are accessed using the HardwareSerial facility built into the system. UART1, connector JE, is accessed using the Serial object and UART2, connector JH, is accessed using Serial1. |
| - | HardwareSerial facility built into the system. UART1, connector JE, is accessed using the Serial object and | + | |
| - | UART2, connector JH, is accessed using Serial1. | + | |
| ---- | ---- | ||
| ===== 10 Serial Peripheral Interface (SPI) ===== | ===== 10 Serial Peripheral Interface (SPI) ===== | ||
| - | SPI is a four wire synchronous serial interface and SPI devices can operate as either master devices or as slave | + | SPI is a four wire synchronous serial interface and SPI devices can operate as either master devices or as slave devices. The PIC32 microcontroller labels the four SPI signals as Slave Select (SS), Serial Data Out (SDO), Serial Data In (SDI), and Serial Clock (SCK). A master device transmits SS, SDO and SCK, and receives SDI. A slave device receives SS, SDI, and SCK and transmits SDO. The SS signal is used to enable the slave device, and this signal is only significant for slave devices. A master device can use any general purpose I/O pin to generate SS to enable |
| - | devices. The PIC32 microcontroller labels the four SPI signals as Slave Select (SS), Serial Data Out (SDO), Serial Data | + | |
| - | In (SDI), and Serial Clock (SCK). A master device transmits SS, SDO and SCK, and receives SDI. A slave device | + | |
| - | receives SS, SDI, and SCK and transmits SDO. The SS signal is used to enable the slave device, and this signal is only | + | |
| - | significant for slave devices. A master device can use any general purpose I/O pin to generate SS to enable the | + | |
| - | slave. | + | |
| - | An SPI transaction begins with the master device bringing SS low. When the slave sees SS go low it becomes | + | An SPI transaction begins with the master device bringing SS low. When the slave sees SS go low it becomes enabled and waits for the master to send data. The master shifts data out on SDO and simultaneously shifts data in on SDI. The slave device receives data from the master on its SDI pin and simultaneously sends data to the master on its SDO pin. Each time the master sends a byte to the slave, it simultaneously receives a byte from the slave. |
| - | enabled and waits for the master to send data. The master shifts data out on SDO and simultaneously shifts data in | + | |
| - | on SDI. The slave device receives data from the master on its SDI pin and simultaneously sends data to the master | + | |
| - | on its SDO pin. Each time the master sends a byte to the slave, it simultaneously receives a byte from the slave. | + | |
| - | The PIC32MX460 microcontroller provides two Serial Peripheral Interfaces, SPI1 and SPI2. SPI2 is accessed via | + | {{ : |
| - | Pmod connector JB and SPI1 is accessed via connector J1. Because of the way that peripheral functions are shared | + | |
| - | on the pins on the PIC32 microcontroller, | + | |
| - | board. For this reason, when using only a single SPI port, SPI2 is the preferred port to use. | + | |
| The following gives the mapping between SPI signals and connector pins: | The following gives the mapping between SPI signals and connector pins: | ||
| Line 688: | Line 597: | ||
| * SCK1 J1-04 (also JD-09) | * SCK1 J1-04 (also JD-09) | ||
| - | Detailed information about the operation of the SPI peripherals can be found in the PIC32 Family Reference | + | Detailed information about the operation of the SPI peripherals can be found in the PIC32 Family Reference Manual, Section 23, Serial Peripheral Interface. |
| - | Manual, Section 23, Serial Peripheral Interface. | + | |
| - | When using the ChipKIT Pro MX4 with the MPIDE and the chipKIT system, the SPI ports are accessed using either | + | When using the ChipKIT Pro MX4 with the MPIDE and the chipKIT system, the SPI ports are accessed using either the standard chipKIT SPI library or using the Digilent DSPI library. |
| - | the standard chipKIT SPI library or using the Digilent DSPI library. | + | |
| The standard SPI library supports access to a single SPI port, SPI2. This is accessed using the SPI object. | The standard SPI library supports access to a single SPI port, SPI2. This is accessed using the SPI object. | ||
| - | The DSPI library supports access to both SPI ports. The DSPI0 object class is used to create an object used to | + | The DSPI library supports access to both SPI ports. The DSPI0 object class is used to create an object used to access the default SPI port, SPI2, connector JB. The DSPI1 object class is used to access SPI1, connector J1. |
| - | access the default SPI port, SPI2, connector JB. The DSPI1 object class is used to access SPI1, connector J1. | + | |
| ---- | ---- | ||
| - | ===== 11 I2C ™ Interface ===== | + | ===== 11 I²C™ Interface ===== |
| - | The Inter-Integrated Circuit (I< | + | The Inter-Integrated Circuit (I< |
| - | communications bus. The I< | + | |
| - | The PIC32MX460 microcontroller provides for two independent I< | + | {{ : |
| - | The I< | + | {{ : |
| The I< | The I< | ||
| - | ==== 11.1 Jumper Setting for I2C Pull Up Resistors ==== | + | ==== 11.1 Jumper Setting for I²C Pull Up Resistors ==== |
| Line 745: | Line 650: | ||
| - | ==== 11.2 On-Board | + | ==== 11.2 On-Board |
| - | + | The ChipKIT Pro MX4 provides two on-board I< | |
| - | The ChipKIT Pro MX4 provides two on-board I< | + | |
| - | 256Kbit (32Kbyte) serial EEPROM device to provide non-volatile memory storage. The MCP4725 is a single | + | |
| - | channel, 12-bit, serial digital to analog converter that provides an analog output voltage for various uses. The | + | |
| - | device address for IC2, the 24LC256 is 1010000 (0x50). The device address for IC3, the MCP4725, is 1100000 | + | |
| - | (0x60). | + | |
| Refer to the Microchip data sheets for detailed information on the operation of these devices. | Refer to the Microchip data sheets for detailed information on the operation of these devices. | ||
| - | The analog output voltage from IC3 is available at two places on the ChipKIT Pro MX4 board. The two pin header, | + | {{ : |
| - | J10, provides the DAC output voltage and ground for connection to off-board applications. | + | |
| - | The DAC output signal is also available at the center, DAC, position of jumper block J16. Placing a shorting block at this position connects the DAC output to pin 20 on the PIC32MX460 microcontroller. One of the functions for this | + | {{ : |
| - | pin is as one of the inputs to analog comparator #1 on the PIC32 device. This allows the output of the DAC to be | + | |
| - | used as a programmable reference voltage for the comparator. | + | |
| ---- | ---- | ||
| ===== 12 Analog Inputs ===== | ===== 12 Analog Inputs ===== | ||
| - | The PIC32MX460 microcontroller provides a 10-bit analog to digital (A/D) converter that provides up to sixteen | + | The PIC32MX460 microcontroller provides a 10-bit analog to digital (A/D) converter that provides up to sixteen analog inputs. The ChipKIT Pro MX4 board provides access to 14 of them on the Pmod connectors. The converted values produced by the A/D converter will be in the range 0–1023. |
| - | analog inputs. The ChipKIT Pro MX4 board provides access to 14 of them on the Pmod connectors. The converted | + | |
| - | values produced by the A/D converter will be in the range 0–1023. | + | |
| - | For detailed information on the operation and use of the A/D converter, refer to the PIC32 Family Reference | + | For detailed information on the operation and use of the A/D converter, refer to the PIC32 Family Reference Manual, Section 17, 10-bit AD Converter. |
| - | Manual, Section 17, 10-bit AD Converter. | + | |
| - | The analog inputs are accessed using the analogRead() function in the MPIDE software. The analog input pin | + | The analog inputs are accessed using the analogRead() function in the MPIDE software. The analog input pin number is specified using the symbols A0–A13. The digital pin numbers for the pin or the numbers 0–13 can also be used, but using the symbols A0–A13 is recommended. |
| - | number is specified using the symbols A0–A13. The digital pin numbers for the pin or the numbers 0–13 can also | + | |
| - | be used, but using the symbols A0–A13 is recommended. | + | |
| The following gives the Pmod connector position, digital pin number, and microcontroller I/O port and bit number | The following gives the Pmod connector position, digital pin number, and microcontroller I/O port and bit number | ||
| Line 799: | Line 691: | ||
| - | The PIC32 microcontroller provides two voltage reference inputs to the analog to digital converter. Vref- is used to | + | The PIC32 microcontroller provides two voltage reference inputs to the analog to digital converter. Vref- is used to set the lower reference level and Vref+ is used to set the upper reference level. These reference inputs can be connected to internal references or to external references using two of the analog input pins. |
| - | set the lower reference level and Vref+ is used to set the upper reference level. These reference inputs can be | + | |
| - | connected to internal references or to external references using two of the analog input pins. | + | |
| - | When the internal references are being used, Vref- is connected to VSS and Vref+ is connected to VDD. This means | + | When the internal references are being used, Vref- is connected to VSS and Vref+ is connected to VDD. This means that the voltage input range at the analog input pins is 0V–3.3V. In this case, an input voltage of 0V will convert to ~0, an input voltage of 1.65V will convert to ~511, and an input voltage of 3.3V will convert to ~1023. |
| - | that the voltage input range at the analog input pins is 0V–3.3V. In this case, an input voltage of 0V will convert to | + | |
| - | ~0, an input voltage of 1.65V will convert to ~511, and an input voltage of 3.3V will convert to ~1023. | + | |
| - | Either one, or both, of the references can be connected to external reference pins. When this is done, the | + | Either one, or both, of the references can be connected to external reference pins. When this is done, the references can be set to voltages other than 0V and 3.3V. |
| - | references can be set to voltages other than 0V and 3.3V. | + | |
| - | If, for example, both references were selected to use external references, with 1V applied to Vref- and 2V applied | + | If, for example, both references were selected to use external references, with 1V applied to Vref- and 2V applied to Vref+, the input voltage range at the analog input pins would be from 1V to 2V. An applied voltage of 1V would have a converted value of ~0, 1.5V would have a converted value of ~511, and 2V would have a converted value of ~1023. |
| - | to Vref+, the input voltage range at the analog input pins would be from 1V to 2V. An applied voltage of 1V would | + | |
| - | have a converted value of ~0, 1.5V would have a converted value of ~511, and 2V would have a converted value of | + | |
| - | ~1023. | + | |
| When both external references are being used, Vref+ must have a higher voltage applied to in than Vref-. | When both external references are being used, Vref+ must have a higher voltage applied to in than Vref-. | ||
| - | The analog reference input pins appear on Pmod connector JK, pins 7 & 8. Vref- is on pin JK-07, and Vref+ is on pin | + | The analog reference input pins appear on Pmod connector JK, pins 7 & 8. Vref- is on pin JK-07, and Vref+ is on pin JK-08. These pins are not available to be used for digital I/O when being used as an external reference. |
| - | JK-08. These pins are not available to be used for digital I/O when being used as an external reference. | + | |
| - | When using the MPIDE software, the use of external analog references is selected using the analogReference() | + | When using the MPIDE software, the use of external analog references is selected using the analogReference() function. The following values can be used with analogReference(): |
| - | function. The following values can be used with analogReference(): | + | |
| * DEFAULT – Vref- = 0V, Vref+ = 3.3V | * DEFAULT – Vref- = 0V, Vref+ = 3.3V | ||
| Line 827: | Line 709: | ||
| * EXTERNAL – Vref- = 0V, Vref+ = voltage at A2 | * EXTERNAL – Vref- = 0V, Vref+ = voltage at A2 | ||
| * EXTMINUS – Vref- = voltage at A3, Vref+ = 3.3V | * EXTMINUS – Vref- = voltage at A3, Vref+ = 3.3V | ||
| - | * EXTPLUSMINUS – Vref- = voltage at A3, Vref+ = voltage at A2 * Unordered List Item | + | * EXTPLUSMINUS – Vref- = voltage at A3, Vref+ = voltage at A2 |
| ---- | ---- | ||
| Line 833: | Line 715: | ||
| The PIC32 microcontroller provides five timers that can be used for various timing functions. These timers are each | The PIC32 microcontroller provides five timers that can be used for various timing functions. These timers are each | ||
| - | 16 bits wide, although two pairs, TIMER2/ | + | 16 bits wide, although two pairs, TIMER2/ |
| - | timers. | + | |
| - | A timer consists of a control register, a counter register, and a period register. The control register is used to | + | A timer consists of a control register, a counter register, and a period register. The control register is used to configure the timer for various modes of operation. The count register counts cycles of the clock source selected via the control register. This clock source can be the peripheral bus clock or a division of the peripheral bus clock via a pre-scaler divider. The period register can be used to generate an interrupt and/or reset the count register when a pre-determined value is reached. |
| - | configure the timer for various modes of operation. The count register counts cycles of the clock source selected | + | |
| - | via the control register. This clock source can be the peripheral bus clock or a division of the peripheral bus clock | + | |
| - | via a pre-scaler divider. The period register can be used to generate an interrupt and/or reset the count register | + | |
| - | when a pre-determined value is reached. | + | |
| - | Each timer has an associated input pin. In some operating modes, this pin can be used as an external clock input to | + | Each timer has an associated input pin. In some operating modes, this pin can be used as an external clock input to the timer, or as a gate input to turn on/off incrementing of the counter register under control of an external signal. |
| - | the timer, or as a gate input to turn on/off incrementing of the counter register under control of an external signal. | + | |
| The following gives the Pmod connector position, chipKIT pin number, and microcontroller I/O port and bit number | The following gives the Pmod connector position, chipKIT pin number, and microcontroller I/O port and bit number | ||
| Line 854: | Line 730: | ||
| * TCK5 – JK-10, digital pin 71, RC04 | * TCK5 – JK-10, digital pin 71, RC04 | ||
| - | For detailed information on the operation of the PIC32 timers, refer to the PIC32 Family Reference Manual, Section | + | For detailed information on the operation of the PIC32 timers, refer to the PIC32 Family Reference Manual, Section 14, Timers. |
| - | 14, Timers. | + | |
| - | When using the MPIDE software, the symbols PIN_TCK2, PIN_TCK3, PIN_TCK4, and PIN_TCK5 can be used to access | + | When using the MPIDE software, the symbols PIN_TCK2, PIN_TCK3, PIN_TCK4, and PIN_TCK5 can be used to access the timer input pins. |
| - | the timer input pins. | + | |
| - | Control and operation of the timers is not explicitly provided in the current version of the MPIDE software. This | + | Control and operation of the timers is not explicitly provided in the current version of the MPIDE software. This capability will be added in a future version of the software. Timers are used implicitly by various core functions and libraries, however. |
| - | capability will be added in a future version of the software. Timers are used implicitly by various core functions and | + | |
| - | libraries, however. | + | |
| ---- | ---- | ||
| ===== 15 Output Compare ===== | ===== 15 Output Compare ===== | ||
| - | The PIC32 microcontroller provides five output compare units that can be used to control the timing of state | + | The PIC32 microcontroller provides five output compare units that can be used to control the timing of state changes on certain output pins or to generate pulse width modulated (PWM) outputs. |
| - | changes on certain output pins or to generate pulse width modulated (PWM) outputs. | + | |
| - | Each output compare unit works with a particular output pin (OC1-OC5). They can be programmed to control the | + | Each output compare unit works with a particular output pin (OC1-OC5). They can be programmed to control the pin in any of the following ways: |
| - | pin in any of the following ways: | + | |
| * PWM output | * PWM output | ||
| Line 880: | Line 750: | ||
| * Generate rising edge | * Generate rising edge | ||
| - | The output compare units work in conjunction with a timer. Either Timer2 or Timer3 can be used with any of the | + | The output compare units work in conjunction with a timer. Either Timer2 or Timer3 can be used with any of the five output compare units. |
| - | five output compare units. | + | |
| - | Refer to the PIC32 Family Reference Manual, Section 16, Output Compare for detailed information on the use of | + | Refer to the PIC32 Family Reference Manual, Section 16, Output Compare for detailed information on the use of the output compares units. |
| - | the output compares units. | + | |
| - | When using the MPIDE software, these are accessed using the analogWrite() function. The digital pin number, or | + | When using the MPIDE software, these are accessed using the analogWrite() function. The digital pin number, or preferably, the symbols PIN_OC1 through PIN_OC5 are used to specify the pin. The MPIDE software currently only supports using the output compare units to generate PWM outputs. It uses Timer2 to control the output compares. |
| - | preferably, the symbols PIN_OC1 through PIN_OC5 are used to specify the pin. The MPIDE software currently only | + | |
| - | supports using the output compare units to generate PWM outputs. It uses Timer2 to control the output | + | |
| - | compares. | + | |
| - | The following gives Pmod connector position, chipKIT pin number, and microcontroller I/O port and bit number for | + | The following gives Pmod connector position, chipKIT pin number, and microcontroller I/O port and bit number for the output compare unit’s output pins: |
| - | the output compare unit’s output pins: | + | |
| * OC1 – JH-08, digital pin 53, RD0 | * OC1 – JH-08, digital pin 53, RD0 | ||
| Line 903: | Line 767: | ||
| ===== 16 Input Capture ===== | ===== 16 Input Capture ===== | ||
| - | The PIC32 microcontroller provides five input capture units. An input capture unit works in conjunction with a | + | The PIC32 microcontroller provides five input capture units. An input capture unit works in conjunction with a timer and monitors the state of an associated pin. When the pin changes state, the current value of the timer is captured. The input capture units can be used with either Timer2 or Timer3. |
| - | timer and monitors the state of an associated pin. When the pin changes state, the current value of the timer is | + | |
| - | captured. The input capture units can be used with either Timer2 or Timer3. | + | |
| - | The input capture unit can be programmed to be sensitive to either a rising edge, a falling edge, or both edges on | + | The input capture unit can be programmed to be sensitive to either a rising edge, a falling edge, or both edges on the input pin. An interrupt can also be signaled when an input capture is triggered. Each input capture has a four level deep FIFO that can buffer up to four capture events. |
| - | the input pin. An interrupt can also be signaled when an input capture is triggered. Each input capture has a four | + | |
| - | level deep FIFO that can buffer up to four capture events. | + | |
| - | For detailed information on the operation and use of the input capture units, refer to the PIC32 Family Reference | + | For detailed information on the operation and use of the input capture units, refer to the PIC32 Family Reference Manual, Section 15, Input Capture. |
| - | Manual, Section 15, Input Capture. | + | |
| - | The following gives the Pmod connector position, chipKIT pin number, and microcontroller port and bit number for | + | The following gives the Pmod connector position, chipKIT pin number, and microcontroller port and bit number for the input capture units input pins: |
| - | the input capture units input pins: | + | |
| * IC1 – JH-09, digital pin 54, RD08 | * IC1 – JH-09, digital pin 54, RD08 | ||
| Line 924: | Line 782: | ||
| - | When using the MPIDE software, the symbols PIN_IC1, PIN_IC2, PIN_IC3, PIN_IC4, and PIN_IC5 can be used to | + | When using the MPIDE software, the symbols PIN_IC1, PIN_IC2, PIN_IC3, PIN_IC4, and PIN_IC5 can be used to access the capture input pins. |
| - | access the capture input pins. | + | |
| Use of the input capture units is not currently supported in the MPIDE software. This will be added in a future | Use of the input capture units is not currently supported in the MPIDE software. This will be added in a future | ||
| Line 934: | Line 791: | ||
| - | The PIC32 microcontroller provides five external interrupt inputs. An external interrupt input can be used to | + | The PIC32 microcontroller provides five external interrupt inputs. An external interrupt input can be used to generate an interrupt to the microprocessor CPU when the pin changes state. They can be programmed to interrupt on a rising edge or a falling edge on the pin. |
| - | generate an interrupt to the microprocessor CPU when the pin changes state. They can be programmed to | + | |
| - | interrupt on a rising edge or a falling edge on the pin. | + | |
| - | Refer to the PIC32 Family Reference Manual, Section 8, Interrupts for more information on the operation of the | + | Refer to the PIC32 Family Reference Manual, Section 8, Interrupts for more information on the operation of the external interrupts. |
| - | external interrupts. | + | |
| - | These are accessed using the attachInterrupt() and detachInterrupt() functions when using the MPIDE software,. | + | These are accessed using the attachInterrupt() and detachInterrupt() functions when using the MPIDE software. The interrupt number is specified using the numbers 0-4, or preferably, the symbols EXT_INT0 through EXT_INT4. |
| - | The interrupt number is specified using the numbers 0-4, or preferably, the symbols EXT_INT0 through EXT_INT4. | + | |
| The following gives Pmod connector position, chipKIT pin number, and microcontroller I/O port and bit number: | The following gives Pmod connector position, chipKIT pin number, and microcontroller I/O port and bit number: | ||
| Line 1051: | Line 904: | ||
| ==== By Microcontroller Pin # ==== | ==== By Microcontroller Pin # ==== | ||
| ^ PIC32 Pin # ^ Connector Pin # ^ chipKIT Pin # ^ MCU Port & Bit ^ PIC32 Signal Name ^ Notes ^ | ^ PIC32 Pin # ^ Connector Pin # ^ chipKIT Pin # ^ MCU Port & Bit ^ PIC32 Signal Name ^ Notes ^ | ||
| - | | 1 | JC-04 | 19 | RG15 | RG15 | also servo S4 | | + | | 1* | JC-04 | 19 | RG15 | RG15 | also servo S4 | |
| - | | 3 | JA-08 | 5 | RE05 | PMD5/ | + | | 3* | JA-08 | 5 | RE05 | PMD5/ |
| - | | 4 | JA-09 | 6 | RE06 | PMD6/ | + | | 4* | JA-09 | 6 | RE06 | PMD6/ |
| - | | 5 | JA-10 | 7 | RE07 | PMD7/ | + | | 5* | JA-10 | 7 | RE07 | PMD7/ |
| - | | 6 | JD-04 | 27 | RC01 | T2CK/ | + | | 6* | JD-04 | 27 | RC01 | T2CK/ |
| - | | 7 | JD-10 | 31 | RC02 | T3CK/ | + | | 7* | JD-10 | 31 | RC02 | T3CK/ |
| - | | 8 | JE-10 | 39 | RC03 | T4CK/ | + | | 8* | JE-10 | 39 | RC03 | T4CK/ |
| - | | 9 | JK-10 | 71 | RC04 | SDI1/ | + | | 9* | JK-10 | 71 | RC04 | SDI1/ |
| - | | 10 | JB-04 | 11 | RG06 | PMA5/ | + | | 10* | JB-04 | 11 | RG06 | PMA5/ |
| - | | 11 | JB-03 | 10 | RG07 | PMA4/ | + | | 11* | JB-03 | 10 | RG07 | PMA4/ |
| - | | 12 | JB-02 | 9 | RG08 | PMA3/ | + | | 12* | JB-02 | 9 | RG08 | PMA3/ |
| - | | 14 | JB-01 | 8 | RG09 | PMA2/ | + | | 14* | JB-01 | 8 | RG09 | PMA2/ |
| - | | 17 | JF-07 | 44 | RA00 | TMS/ | + | | 17* | JF-07 | 44 | RA00 | TMS/ |
| - | | 18 | JH-07 | 52 | RE08 | INT1/ | + | | 18* | JH-07 | 52 | RE08 | INT1/ |
| - | | 19 | JE-07 | 36 | RE09 | INT2/ | + | | 19* | JE-07 | 36 | RE09 | INT2/ |
| | 20 | JJ-08 | 61 | RB05 | VBUSON/ | | 20 | JJ-08 | 61 | RB05 | VBUSON/ | ||
| | 21 | JJ-07 | 60 | RB04 | C1IN-/ | | 21 | JJ-07 | 60 | RB04 | C1IN-/ | ||
| Line 1080: | Line 933: | ||
| | 34 | JK-01 | 64 | RB10 | CVrefout/ | | 34 | JK-01 | 64 | RB10 | CVrefout/ | ||
| | 35 | JK-02 | 65 | RB11 | PMA12/ | | 35 | JK-02 | 65 | RB11 | PMA12/ | ||
| - | | 38 | JF-08 | 45 | RA01 | TCK/ | + | | 38* | JF-08 | 45 | RA01 | TCK/ |
| - | | 39 | JH-04 | 51 | RF13 | U2RTS/ | + | | 39* | JH-04 | 51 | RF13 | U2RTS/ |
| - | | 40 | JH-01 | 48 | RF12 | U2CTS/ | + | | 40* | JH-01 | 48 | RF12 | U2CTS/ |
| | 41 | JK-03 | 66 | RB12 | PMA11/ | | 41 | JK-03 | 66 | RB12 | PMA11/ | ||
| | 42 | JK-04 | 67 | RB13 | PMA10/ | | 42 | JK-04 | 67 | RB13 | PMA10/ | ||
| | 43 | JB-10 | 15 | RB14 | PMALH/ | | 43 | JB-10 | 15 | RB14 | PMALH/ | ||
| | 44 | JB-07 | 12 | RB15 | PMALL/ | | 44 | JB-07 | 12 | RB15 | PMALL/ | ||
| - | | 47 | JE-01 | 32 | RD14 | CN20/ | + | | 47* | JE-01 | 32 | RD14 | CN20/ |
| - | | 48 | JE-04 | 35 | RD15 | U1RTS/ | + | | 48* | JE-04 | 35 | RD15 | U1RTS/ |
| - | | 49 | JH-03 | 50 | RF04 | PMA9/ | + | | 49* | JH-03 | 50 | RF04 | PMA9/ |
| - | | 50 | JH-02 | 49 | RF05 | PMA8/ | + | | 50* | JH-02 | 49 | RF05 | PMA8/ |
| - | | 51 | N/A | N/A | RF03 | USBID/ | + | | 51* | N/A | N/A | RF03 | USBID/ |
| - | | 52 | JE-03 | 34 | RF02 | U1RX/ | + | | 52* | JE-03 | 34 | RF02 | U1RX/ |
| - | | 53 | JE-02 | 33 | RF08 | U1TX/ | + | | 53* | JE-02 | 33 | RF08 | U1TX/ |
| | 56 | N/A | N/A | RG03 | D-/ | | 56 | N/A | N/A | RG03 | D-/ | ||
| | 57 | N/A | N/A | RG02 | D+/ | | 57 | N/A | N/A | RG02 | D+/ | ||
| - | | 58 | J6-1, J6-2 | 72 | RA02 | SCL2/ | + | | 58* | J6-1, J6-2 | 72 | RA02 | SCL2/ |
| - | | 59 | J6-3, J6-4 | 73 | RA03 | SDA2/ | + | | 59* | J6-3, J6-4 | 73 | RA03 | SDA2/ |
| - | | 60 | JF-09 | 46 | RA04 | TDI/ | + | | 60* | JF-09 | 46 | RA04 | TDI/ |
| - | | 61 | JF-10 | 47 | RA05 | TDO/ | + | | 61* | JF-10 | 47 | RA05 | TDO/ |
| | 63 | N/A | N/A | RC12 | OSC1/ | | 63 | N/A | N/A | RC12 | OSC1/ | ||
| | 64 | N/A | N/A | RC15 | OSC2/ | | 64 | N/A | N/A | RC15 | OSC2/ | ||
| - | | 66 | JF-01 | 40 | RA14 | SCL1/ | + | | 66* | JF-01 | 40 | RA14 | SCL1/ |
| - | | 67 | JF-02 | 41 | RA15 | SDA1/ | + | | 67* | JF-02 | 41 | RA15 | SDA1/ |
| - | | 68 | JH-09 | 54 | RD08 | IC1/ | + | | 68* | JH-09 | 54 | RD08 | IC1/ |
| - | | 69 | JD-03 | 26 | RD09 | IC2/ | + | | 69* | JD-03 | 26 | RD09 | IC2/ |
| - | | 70 | JD-09 | 30 | RD10 | IC3/ | + | | 70* | JD-09 | 30 | RD10 | IC3/ |
| - | | 71 | JE-09 | 38 | RD11 | IC4/ | + | | 71* | JE-09 | 38 | RD11 | IC4/ |
| - | | 72 | JH-08 | 53 | RD00 | SDO1/ | + | | 72* | JH-08 | 53 | RD00 | SDO1/ |
| | 73 | N/A | N/A | RC13 | SOSCI/ | | 73 | N/A | N/A | RC13 | SOSCI/ | ||
| | 74 | N/A | N/A | RC14 | SOSCO/ | | 74 | N/A | N/A | RC14 | SOSCO/ | ||
| - | | 76 | JD-02 | 25 | RD01 | OC2/ | + | | 76* | JD-02 | 25 | RD01 | OC2/ |
| - | | 77 | JD-08 | 29 | RD02 | OC3/ | + | | 77* | JD-08 | 29 | RD02 | OC3/ |
| - | | 78 | JE--0 | 37 | RD03 | OC4/ | + | | 78* | JE--0 | 37 | RD03 | OC4/ |
| - | | 79 | JK-09 | 70 | RD12 | PMD12/ | + | | 79* | JK-09 | 70 | RD12 | PMD12/ |
| - | | 80 | JH-10 | 55 | RD13 | PMD13/ | + | | 80* | JH-10 | 55 | RD13 | PMD13/ |
| - | | 81 | JB-09 | 14 | RD04 | PMWR/ | + | | 81* | JB-09 | 14 | RD04 | PMWR/ |
| - | | 82 | JB-08 | 13 | RD05 | PMRD/ | + | | 82* | JB-08 | 13 | RD05 | PMRD/ |
| - | | 83 | JD-07 | 28 | RD06 | PMD14/ | + | | 83* | JD-07 | 28 | RD06 | PMD14/ |
| - | | 84 | JD-01 | 24 | RD07 | PMD15/ | + | | 84* | JD-01 | 24 | RD07 | PMD15/ |
| - | | 87 | JC-09 | 22 | RF00 | PMD11/ | + | | 87* | JC-09 | 22 | RF00 | PMD11/ |
| - | | 88 | JC-10 | 23 | RF01 | PMD10/ | + | | 88* | JC-10 | 23 | RF01 | PMD10/ |
| - | | 89 | JC-08 | 21 | RG01 | PMD9/ | + | | 89* | JC-08 | 21 | RG01 | PMD9/ |
| - | | 90 | JC-07 | 20 | RG00 | PMD8/ | + | | 90* | JC-07 | 20 | RG00 | PMD8/ |
| - | | 91 | JF-03 | 42 | RA06 | TRCLK/ | + | | 91* | JF-03 | 42 | RA06 | TRCLK/ |
| - | | 92 | JF-04 | 43 | RA07 | TRD3/ | + | | 92* | JF-04 | 43 | RA07 | TRD3/ |
| - | | 93 | JA-01 | 0 | RE00 | PMD0/ | + | | 93* | JA-01 | 0 | RE00 | PMD0/ |
| - | | 94 | JA-02 | 1 | RE01 | PMD1/ | + | | 94* | JA-02 | 1 | RE01 | PMD1/ |
| - | | 95 | JC-03 | 18 | RG14 | TRD2/ | + | | 95* | JC-03 | 18 | RG14 | TRD2/ |
| - | | 96 | JC-01 | 16 | RG12 | TRD1/ | + | | 96* | JC-01 | 16 | RG12 | TRD1/ |
| - | | 97 | JC-02 | 17 | RG13 | TRD0/ | + | | 97* | JC-02 | 17 | RG13 | TRD0/ |
| - | | 98 | JA-03 | 2 | RE02 | PMD2/ | + | | 98* | JA-03 | 2 | RE02 | PMD2/ |
| - | | 99 | JA-04 | 3 | RE03 | PMD3/ | + | | 99* | JA-04 | 3 | RE03 | PMD3/ |
| - | | 100 | JA-07 | 4 | RE04 | PMD4/ | + | | 100* | JA-07 | 4 | RE04 | PMD4/ |
| + | * indicates 5V tolerant PIC32 pin | ||
| ==== By Connector Pin # & Digital Pin # ==== | ==== By Connector Pin # & Digital Pin # ==== | ||
| ^ PIC32 Pin # ^ Connector Pin # ^ chipKIT Pin # ^ MCU Port & Bit ^ PIC32 Signal Name ^ Notes ^ | ^ PIC32 Pin # ^ Connector Pin # ^ chipKIT Pin # ^ MCU Port & Bit ^ PIC32 Signal Name ^ Notes ^ | ||
| - | | 93 | JA-01 | 0 | RE00 | PMD0/ | + | | 93* | JA-01 | 0 | RE00 | PMD0/ |
| - | | 94 | JA-02 | 1 | RE01 | PMD1/ | + | | 94* | JA-02 | 1 | RE01 | PMD1/ |
| - | | 98 | JA-03 | 2 | RE02 | PMD2/ | + | | 98* | JA-03 | 2 | RE02 | PMD2/ |
| - | | 99 | JA-04 | 3 | RE03 | PMD3/ | + | | 99* | JA-04 | 3 | RE03 | PMD3/ |
| - | | 100 | JA-07 | 4 | RE04 | PMD4/ | + | | 100* | JA-07 | 4 | RE04 | PMD4/ |
| - | | 3 | JA-08 | 5 | RE05 | PMD5/ | + | | 3* | JA-08 | 5 | RE05 | PMD5/ |
| - | | 4 | JA-09 | 6 | RE06 | PMD6/ | + | | 4* | JA-09 | 6 | RE06 | PMD6/ |
| - | | 5 | JA-10 | 7 | RE07 | PMD7/ | + | | 5* | JA-10 | 7 | RE07 | PMD7/ |
| - | | 14 | JB-01 | 8 | RG09 | PMA2/ | + | | 14* | JB-01 | 8 | RG09 | PMA2/ |
| - | | 12 | JB-02 | 9 | RG08 | PMA3/ | + | | 12* | JB-02 | 9 | RG08 | PMA3/ |
| - | | 11 | JB-03 | 10 | RG07 | PMA4/ | + | | 11* | JB-03 | 10 | RG07 | PMA4/ |
| - | | 10 | JB-04 | 11 | RG06 | PMA5/ | + | | 10* | JB-04 | 11 | RG06 | PMA5/ |
| | 44 | JB-07 | 12 | RB15 | PMALL/ | | 44 | JB-07 | 12 | RB15 | PMALL/ | ||
| - | | 82 | JB-08 | 13 | RD05 | PMRD/ | + | | 82* | JB-08 | 13 | RD05 | PMRD/ |
| - | | 81 | JB-09 | 14 | RD04 | PMWR/ | + | | 81* | JB-09 | 14 | RD04 | PMWR/ |
| | 43 | JB-10 | 15 | RB14 | PMALH/ | | 43 | JB-10 | 15 | RB14 | PMALH/ | ||
| - | | 96 | JC-01 | 16 | RG12 | TRD1/ | + | | 96* | JC-01 | 16 | RG12 | TRD1/ |
| - | | 97 | JC-02 | 17 | RG13 | TRD0/ | + | | 97* | JC-02 | 17 | RG13 | TRD0/ |
| - | | 95 | JC-03 | 18 | RG14 | TRD2/ | + | | 95* | JC-03 | 18 | RG14 | TRD2/ |
| - | | 1 | JC-04 | 19 | RG15 | RG15 | also servo S4 | | + | | 1* | JC-04 | 19 | RG15 | RG15 | also servo S4 | |
| - | | 90 | JC-07 | 20 | RG00 | PMD8/ | + | | 90* | JC-07 | 20 | RG00 | PMD8/ |
| - | | 89 | JC-08 | 21 | RG01 | PMD9/ | + | | 89* | JC-08 | 21 | RG01 | PMD9/ |
| - | | 87 | JC-09 | 22 | RF00 | PMD11/ | + | | 87* | JC-09 | 22 | RF00 | PMD11/ |
| - | | 88 | JC-10 | 23 | RF01 | PMD10/ | + | | 88* | JC-10 | 23 | RF01 | PMD10/ |
| - | | 84 | JD-01 | 24 | RD07 | PMD15/ | + | | 84* | JD-01 | 24 | RD07 | PMD15/ |
| - | | 76 | JD-02 | 25 | RD01 | OC2/ | + | | 76* | JD-02 | 25 | RD01 | OC2/ |
| - | | 69 | JD-03 | 26 | RD09 | IC2/ | + | | 69* | JD-03 | 26 | RD09 | IC2/ |
| - | | 6 | JD-04 | 27 | RC01 | T2CK/ | + | | 6* | JD-04 | 27 | RC01 | T2CK/ |
| - | | 83 | JD-07 | 28 | RD06 | PMD14/ | + | | 83* | JD-07 | 28 | RD06 | PMD14/ |
| - | | 77 | JD-08 | 29 | RD02 | OC3/ | + | | 77* | JD-08 | 29 | RD02 | OC3/ |
| - | | 70 | JD-09 | 30 | RD10 | IC3/ | + | | 70* | JD-09 | 30 | RD10 | IC3/ |
| - | | 7 | JD-10 | 31 | RC02 | T3CK/ | + | | 7* | JD-10 | 31 | RC02 | T3CK/ |
| - | | 47 | JE-01 | 32 | RD14 | CN20/ | + | | 47* | JE-01 | 32 | RD14 | CN20/ |
| - | | 53 | JE-02 | 33 | RF08 | U1TX/ | + | | 53* | JE-02 | 33 | RF08 | U1TX/ |
| - | | 52 | JE-03 | 34 | RF02 | U1RX/ | + | | 52* | JE-03 | 34 | RF02 | U1RX/ |
| - | | 48 | JE-04 | 35 | RD15 | U1RTS/ | + | | 48* | JE-04 | 35 | RD15 | U1RTS/ |
| - | | 19 | JE-07 | 36 | RE09 | INT2/ | + | | 19* | JE-07 | 36 | RE09 | INT2/ |
| - | | 78 | JE-08 | 37 | RD03 | OC4/ | + | | 78* | JE-08 | 37 | RD03 | OC4/ |
| - | | 71 | JE-09 | 38 | RD11 | IC4/ | + | | 71* | JE-09 | 38 | RD11 | IC4/ |
| - | | 8 | JE-10 | 39 | RC03 | T4CK/ | + | | 8* | JE-10 | 39 | RC03 | T4CK/ |
| - | | 66 | JF-01 | 40 | RA14 | SCL1/ | + | | 66* | JF-01 | 40 | RA14 | SCL1/ |
| - | | 67 | JF-02 | 41 | RA15 | SDA1/ | + | | 67* | JF-02 | 41 | RA15 | SDA1/ |
| - | | 91 | JF-03 | 42 | RA06 | TRCLK/ | + | | 91* | JF-03 | 42 | RA06 | TRCLK/ |
| - | | 92 | JF-04 | 43 | RA07 | TRD3/ | + | | 92* | JF-04 | 43 | RA07 | TRD3/ |
| - | | 17 | JF-07 | 44 | RA00 | TMS/ | + | | 17* | JF-07 | 44 | RA00 | TMS/ |
| - | | 38 | JF-08 | 45 | RA01 | TCK/ | + | | 38* | JF-08 | 45 | RA01 | TCK/ |
| - | | 60 | JF-09 | 46 | RA04 | TDI/ | + | | 60* | JF-09 | 46 | RA04 | TDI/ |
| - | | 61 | JF-10 | 47 | RA05 | TDO/ | + | | 61* | JF-10 | 47 | RA05 | TDO/ |
| - | | 40 | JH-01 | 48 | RF12 | U2CTS/ | + | | 40* | JH-01 | 48 | RF12 | U2CTS/ |
| - | | 50 | JH-02 | 49 | RF05 | PMA8/ | + | | 50* | JH-02 | 49 | RF05 | PMA8/ |
| - | | 49 | JH-03 | 50 | RF04 | PMA9/ | + | | 49* | JH-03 | 50 | RF04 | PMA9/ |
| - | | 39 | JH-04 | 51 | RF13 | U2RTS/ | + | | 39* | JH-04 | 51 | RF13 | U2RTS/ |
| - | | 18 | JH-07 | 52 | RE08 | INT1/ | + | | 18* | JH-07 | 52 | RE08 | INT1/ |
| - | | 72 | JH-08 | 53 | RD00 | SDO1/ | + | | 72* | JH-08 | 53 | RD00 | SDO1/ |
| - | | 68 | JH-09 | 54 | RD08 | IC1/ | + | | 68* | JH-09 | 54 | RD08 | IC1/ |
| - | | 80 | JH-10 | 55 | RD13 | PMD13/ | + | | 80* | JH-10 | 55 | RD13 | PMD13/ |
| | 25 | JJ-01 | 56 | RB00 | PGD1/ | | 25 | JJ-01 | 56 | RB00 | PGD1/ | ||
| | 24 | JJ-02 | 57 | RB01 | PGC1/ | | 24 | JJ-02 | 57 | RB01 | PGC1/ | ||
| Line 1207: | Line 1061: | ||
| | 28 | JK-07 | 68 | RA09 | PMA7/ | | 28 | JK-07 | 68 | RA09 | PMA7/ | ||
| | 29 | JK-08 | 69 | RA10 | PMA6/ | | 29 | JK-08 | 69 | RA10 | PMA6/ | ||
| - | | 79 | JK-09 | 70 | RD12 | PMD12/ | + | | 79* | JK-09 | 70 | RD12 | PMD12/ |
| - | | 9 | JK-10 | 71 | RC04 | SDI1/ | + | | 9* | JK-10 | 71 | RC04 | SDI1/ |
| - | | 58 | J6-1, J6-2 | 72 | RA02 | SCL2/ | + | | 58* | J6-1, J6-2 | 72 | RA02 | SCL2/ |
| - | | 59 | J6-3, J6-4 | 73 | RA03 | SDA2/ | + | | 59* | J6-3, J6-4 | 73 | RA03 | SDA2/ |
| | 26 | N/A | N/A | RB06 | PGC2/ | | 26 | N/A | N/A | RB06 | PGC2/ | ||
| | 27 | N/A | N/A | RB07 | PGD2/ | | 27 | N/A | N/A | RB07 | PGD2/ | ||
| - | | 51 | N/A | N/A | RF03 | USBID/ | + | | 51* | N/A | N/A | RF03 | USBID/ |
| | 56 | N/A | N/A | RG03 | D-/ | | 56 | N/A | N/A | RG03 | D-/ | ||
| | 57 | N/A | N/A | RG02 | D+/ | | 57 | N/A | N/A | RG02 | D+/ | ||
| Line 1220: | Line 1074: | ||
| | 73 | N/A | N/A | RC12 | SOSCI/ | | 73 | N/A | N/A | RC12 | SOSCI/ | ||
| | 74 | N/A | N/A | RC14 | SOSCO/ | | 74 | N/A | N/A | RC14 | SOSCO/ | ||
| + | *indicates 5V tolerant PIC32 pin | ||
| ==== By MCU Port and Bit # ==== | ==== By MCU Port and Bit # ==== | ||
| ^ PIC32 Pin # ^ Connector Pin # ^ chipKIT Pin # ^ MCU Port & Bit ^ PIC32 Signal Name ^ Notes ^ | ^ PIC32 Pin # ^ Connector Pin # ^ chipKIT Pin # ^ MCU Port & Bit ^ PIC32 Signal Name ^ Notes ^ | ||
| - | | 17 | JF-07 | 44 | RA00 | TMS/ | + | | 17* | JF-07 | 44 | RA00 | TMS/ |
| - | | 38 | JF-08 | 45 | RA01 | TCK/ | + | | 38* | JF-08 | 45 | RA01 | TCK/ |
| - | | 58 | J6-1, J6-2 | 72 | RA02 | SCL2/ | + | | 58* | J6-1, J6-2 | 72 | RA02 | SCL2/ |
| - | | 59 | J6-3, J6-4 | 73 | RA03 | SDA2/ | + | | 59* | J6-3, J6-4 | 73 | RA03 | SDA2/ |
| - | | 60 | JF-09 | 46 | RA04 | TDI/ | + | | 60* | JF-09 | 46 | RA04 | TDI/ |
| - | | 61 | JF-10 | 47 | RA05 | TDO/ | + | | 61* | JF-10 | 47 | RA05 | TDO/ |
| - | | 91 | JF-03 | 42 | RA06 | TRCLK/ | + | | 91* | JF-03 | 42 | RA06 | TRCLK/ |
| - | | 92 | JF-04 | 43 | RA07 | TRD3/ | + | | 92* | JF-04 | 43 | RA07 | TRD3/ |
| | 28 | JK-07 | 68 | RA09 | PMA7/ | | 28 | JK-07 | 68 | RA09 | PMA7/ | ||
| | 29 | JK-08 | 69 | RA10 | PMA6/ | | 29 | JK-08 | 69 | RA10 | PMA6/ | ||
| - | | 66 | JF-01 | 40 | RA14 | SCL1/ | + | | 66* | JF-01 | 40 | RA14 | SCL1/ |
| - | | 67 | JF-02 | 41 | RA15 | SDA1/ | + | | 67* | JF-02 | 41 | RA15 | SDA1/ |
| | 25 | JJ-01 | 56 | RB00 | PGD1/ | | 25 | JJ-01 | 56 | RB00 | PGD1/ | ||
| | 24 | JJ-02 | 57 | RB01 | PGC1/ | | 24 | JJ-02 | 57 | RB01 | PGC1/ | ||
| Line 1251: | Line 1106: | ||
| | 43 | JB-10 | 15 | RB14 | PMALH/ | | 43 | JB-10 | 15 | RB14 | PMALH/ | ||
| | 44 | JB-07 | 12 | RB15 | PMALL/ | | 44 | JB-07 | 12 | RB15 | PMALL/ | ||
| - | | 6 | JD-04 | 27 | RC01 | T2CK/ | + | | 6* | JD-04 | 27 | RC01 | T2CK/ |
| - | | 7 | JD-10 | 31 | RC02 | T3CK/ | + | | 7* | JD-10 | 31 | RC02 | T3CK/ |
| - | | 8 | JE-10 | 39 | RC03 | T4CK/ | + | | 8* | JE-10 | 39 | RC03 | T4CK/ |
| - | | 9 | JK-10 | 71 | RC04 | SDI1/ | + | | 9* | JK-10 | 71 | RC04 | SDI1/ |
| | 63 | N/A | N/A | RC12 | OSC1/ | | 63 | N/A | N/A | RC12 | OSC1/ | ||
| | 73 | N/A | N/A | RC13 | SOSCI/ | | 73 | N/A | N/A | RC13 | SOSCI/ | ||
| | 74 | N/A | N/A | RC14 | SOSCO/ | | 74 | N/A | N/A | RC14 | SOSCO/ | ||
| | 64 | N/A | N/A | RC15 | OSC2/ | | 64 | N/A | N/A | RC15 | OSC2/ | ||
| - | | 72 | JH-08 | 53 | RD00 | SDO1/ | + | | 72* | JH-08 | 53 | RD00 | SDO1/ |
| - | | 76 | JD-02 | 25 | RD01 | OC2/ | + | | 76* | JD-02 | 25 | RD01 | OC2/ |
| - | | 77 | JD-08 | 29 | RD02 | OC3/ | + | | 77* | JD-08 | 29 | RD02 | OC3/ |
| - | | 78 | JE-08 | 37 | RD03 | OC4/ | + | | 78* | JE-08 | 37 | RD03 | OC4/ |
| - | | 81 | JB-09 | 14 | RD04 | PMWR/ | + | | 81* | JB-09 | 14 | RD04 | PMWR/ |
| - | | 82 | JB08 | 13 | RD05 | PMRD/ | + | | 82* | JB08 | 13 | RD05 | PMRD/ |
| - | | 83 | JD-07 | 28 | RD06 | PMD14/ | + | | 83* | JD-07 | 28 | RD06 | PMD14/ |
| - | | 84 | JD-01 | 24 | RD07 | PMD15/ | + | | 84* | JD-01 | 24 | RD07 | PMD15/ |
| - | | 68 | JH-09 | 54 | RD08 | IC1/ | + | | 68* | JH-09 | 54 | RD08 | IC1/ |
| - | | 69 | JD-03 | 26 | RD09 | IC2/ | + | | 69* | JD-03 | 26 | RD09 | IC2/ |
| - | | 70 | JD-09 | 30 | RD10 | IC3/ | + | | 70* | JD-09 | 30 | RD10 | IC3/ |
| - | | 71 | JE-09 | 38 | RD11 | IC4/ | + | | 71* | JE-09 | 38 | RD11 | IC4/ |
| - | | 79 | JK-09 | 70 | RD12 | PMD12/ | + | | 79* | JK-09 | 70 | RD12 | PMD12/ |
| - | | 80 | JH-10 | 55 | RD13 | PMD13/ | + | | 80* | JH-10 | 55 | RD13 | PMD13/ |
| - | | 47 | JE-01 | 32 | RD14 | CN20/ | + | | 47* | JE-01 | 32 | RD14 | CN20/ |
| - | | 48 | JE-04 | 35 | RD15 | U1RTS/ | + | | 48* | JE-04 | 35 | RD15 | U1RTS/ |
| - | | 93 | JA-01 | 0 | RE00 | PMD0/ | + | | 93* | JA-01 | 0 | RE00 | PMD0/ |
| - | | 94 | JA-02 | 1 | RE01 | PMD1/ | + | | 94* | JA-02 | 1 | RE01 | PMD1/ |
| - | | 98 | JA-03 | 2 | RE02 | PMD2/ | + | | 98* | JA-03 | 2 | RE02 | PMD2/ |
| - | | 99 | JA-04 | 3 | RE03 | PMD3/ | + | | 99* | JA-04 | 3 | RE03 | PMD3/ |
| - | | 100 | JA-07 | 4 | RE04 | PMD4/ | + | | 100* | JA-07 | 4 | RE04 | PMD4/ |
| - | | 3 | JA-08 | 5 | RE05 | PMD5/ | + | | 3* | JA-08 | 5 | RE05 | PMD5/ |
| - | | 4 | JA-09 | 6 | RE06 | PMD6/ | + | | 4* | JA-09 | 6 | RE06 | PMD6/ |
| - | | 5 | JA-10 | 7 | RE07 | PMD7/ | + | | 5* | JA-10 | 7 | RE07 | PMD7/ |
| - | | 18 | JH-07 | 52 | RE08 | INT1/ | + | | 18* | JH-07 | 52 | RE08 | INT1/ |
| - | | 19 | JE-07 | 36 | RE09 | INT2/ | + | | 19* | JE-07 | 36 | RE09 | INT2/ |
| - | | 87 | JC-09 | 22 | RF00 | PMD11/ | + | | 87* | JC-09 | 22 | RF00 | PMD11/ |
| - | | 88 | JC-10 | 23 | RF01 | PMD10/ | + | | 88* | JC-10 | 23 | RF01 | PMD10/ |
| - | | 52 | JE-03 | 34 | RF02 | U1RX/ | + | | 52* | JE-03 | 34 | RF02 | U1RX/ |
| - | | 51 | N/A | N/A | RF03 | USBID/ | + | | 51* | N/A | N/A | RF03 | USBID/ |
| - | | 49 | JH-03 | 50 | RF04 | PMA9/ | + | | 49* | JH-03 | 50 | RF04 | PMA9/ |
| - | | 50 | JH-02 | 49 | RF05 | PMA8/ | + | | 50* | JH-02 | 49 | RF05 | PMA8/ |
| - | | 53 | JE-02 | 33 | RF08 | U1TX/ | + | | 53* | JE-02 | 33 | RF08 | U1TX/ |
| - | | 40 | JH-01 | 48 | RF12 | U2CTS/ | + | | 40* | JH-01 | 48 | RF12 | U2CTS/ |
| - | | 39 | JH-04 | 51 | RF13 | U2RTS/ | + | | 39* | JH-04 | 51 | RF13 | U2RTS/ |
| - | | 90 | JC-07 | 20 | RG00 | PMD8/ | + | | 90* | JC-07 | 20 | RG00 | PMD8/ |
| - | | 89 | JC-08 | 21 | RG01 | PMD9/ | + | | 89* | JC-08 | 21 | RG01 | PMD9/ |
| | 57 | N/A | N/A | RG02 | D+/ | | 57 | N/A | N/A | RG02 | D+/ | ||
| | 56 | N/A | N/A | RG03 | D-/ | | 56 | N/A | N/A | RG03 | D-/ | ||
| - | | 10 | JB-04 | 11 | RG06 | PMA5/ | + | | 10* | JB-04 | 11 | RG06 | PMA5/ |
| - | | 11 | JB-03 | 10 | RG07 | PMA4/ | + | | 11* | JB-03 | 10 | RG07 | PMA4/ |
| - | | 12 | JB-02 | 9 | RG08 | PMA3/ | + | | 12* | JB-02 | 9 | RG08 | PMA3/ |
| - | | 14 | JB-01 | 8 | RG09 | PMA2/ | + | | 14* | JB-01 | 8 | RG09 | PMA2/ |
| - | | 96 | JC-01 | 16 | RG12 | TRD1/ | + | | 96* | JC-01 | 16 | RG12 | TRD1/ |
| - | | 97 | JC-02 | 17 | RG13 | TRD0/ | + | | 97* | JC-02 | 17 | RG13 | TRD0/ |
| - | | 95 | JC-03 | 18 | RG14 | TRD2/ | + | | 95* | JC-03 | 18 | RG14 | TRD2/ |
| - | | 1 | JC-04 | 19 | RG15 | RG15 | also servo S4 | | + | | 1* | JC-04 | 19 | RG15 | RG15 | also servo S4 | |
| + | *indicates 5V tolerant pin | ||