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waveforms_-_rom_logic [2016/11/28 12:51] – Mircea Dabacanwaveforms_-_rom_logic [2022/10/04 11:38] (current) – external edit 127.0.0.1
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 //{{anchor:figure_3:Figure 3 ROM Logic implementing a Mealy State Machine.}}// //{{anchor:figure_3:Figure 3 ROM Logic implementing a Mealy State Machine.}}//
  
-===== 3. ROM logic User Interface in WaveForms 2015 =====+===== 3. ROM logic User Interface in WaveForms =====
  
 In the Pattern Generator, click the green “plus” sign and select ROM logic, as shown below. In the Pattern Generator, click the green “plus” sign and select ROM logic, as shown below.
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 //{{anchor:figure_18:Figure 18. Open a second pattern generator.}}// //{{anchor:figure_18:Figure 18. Open a second pattern generator.}}//
  
- A 5-bit PDM modulator is implemented in the PDM Accumulator ROM logic object, with DIO 9…DIO5 = a4…a0 as “Accumulator”, DIO4…DIO0 = s4…s0 as “Sample” and DIO10 as “CY” which is the PDM signal (copy colored background area in sheet PDM of RomLogicTrouthTables.xls and paste into the Truth Table).+ A 5-bit PDM modulator is implemented in the PDM Accumulator ROM logic object, with DIO 9…DIO5 = a4…a0 as “Accumulator”, DIO4…DIO0 = s4…s0 as “Sample” and DIO10 as “CY” which is the PDM signal (copy colored background area in sheet PDM of {{:waveformsromlogic:RomLogicTruthTables.xlsx|RomLogicTruthTables.xlsx}} and paste into the Truth Table).
  
 {{:waveformsromlogic:RL_19_OpenASecondPatternGenerator.png|Figure 19. Implementing a PDM in ROM logic.}} {{:waveformsromlogic:RL_19_OpenASecondPatternGenerator.png|Figure 19. Implementing a PDM in ROM logic.}}