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| chipKIT Uno32 | chipKIT uC32 |
|---|---|
 |  |
| Microchip® PIC32MX320F128 | Microchip® PIC32MX340F512H |
| 80MHz/105DMIPS, 32-bit MIPS M4K Core | 80MHz/105DMIPS, 32-bit MIPS M4K Core |
| 128 KB Program Memory | 512 KB of Program Memory |
| 16 KB of RAM | 32 KB of RAM |
| 12 KB of Auxilary Flash (Boot Flash) | 12 KB of Auxiliary Flash (Boot Flash) |
| Operating Voltage 2.3 to 3.6 | Operating Voltage 2.3 to 3.6 |
| 2 SPI | 4 Channel Hardware DMA Controller |
| 2 I2C | 2 SPI |
| 16 A/D Channels | 2 I2C |
| 5 Input captures | 16 A/D Channels |
| 5 Output Compare (PWM) | 5 Input Capture |
| 8 MHz, 32 kHZ Internal Oscillator | 5 Output Compare (PWM) |
| 53 I/O Pins | 8 MHZ, 32kHZ Internal Oscillator |
| 51 I/O Pins | |
| Arduino R3 Header Standard 42 Available I/O | Arduino R3 Header Standard 42 Available I/O |
| 3.3V Operating Voltage | 3.3V Operating Voltage |
| 3.3-5V Logic Levels | 3.3-5V Logic Levels |
| +/- 18mA DC Current per Pin | +/- 18mA DC Current per Pin |
| USB Mini Port for Programming | USB Mini Port for Programming |
| 2 User LEDs | 2 User LEDs |
| Reset Button | Reset Button |
| External Power- 5mm Barrel Jack | External Power- 5mm Barrel Jack |
| Mounting holes | Mounting holes |
| zUno Clip Compatible (2.5 inches) | zUno Clip Compatible (2.5 inches) |