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waveforms_-_rom_logic [2016/11/28 12:51] – Mircea Dabacanwaveforms_-_rom_logic [2016/11/28 12:52] – [7. Example: PDM modulator.] Mircea Dabacan
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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.}}