Reference Manual ADuCM356
TABLE OF CONTENTS
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ADC Circuit Overview.......................................53
ADC Circuit Features....................................... 53
ADC Circuit Operation......................................54
ADC Transfer Function.....................................54
ADC Low-Power Current Input Channels ........55
ADC Input Circuit .............................................55
ADC Postprocessing Filter Options..................55
Averaging, Statistics, and Outlier Detection
Options...........................................................57
Internal Temperature Sensor Channels............57
ADC Initialization..............................................58
ADC Calibration................................................58
ADC Digital Signal Processor (DSP) Built In
Self Test..........................................................59
Voltage Reference Options ............................. 60
Register Summary: ADC Circuit.......................... 61
Register Details: ADC Circuit.............................. 63
ADC Configuration Register.............................63
ADC Output Filters Configuration Register...... 64
Raw Result Register.........................................65
DFT Result, Real Part Register........................66
DFT Result, Imaginary Part Register............... 66
Sinc2 and Supply Rejection Filter Result
Register..........................................................66
Temperature Sensor 0 Result Register............ 66
Analog Capture Interrupt Enable Register....... 66
Analog Capture Interrupt Register....................67
AFE DSP Configuration Register..................... 68
Temperature Sensor 0 Configuration
Register..........................................................69
High-Power and Low-Power Buffer Control
Register..........................................................69
Number of Repeat ADC Conversions
Register..........................................................70
Buffer Configuration Register...........................70
Calibration Lock Register................................. 71
Offset Calibration Low-Power TIA0 Channel
Register..........................................................71
Gain Calibration for Low-Power TIA0
Channel Register............................................71
Offset Calibration Low-Power TIA1 Channel
Register..........................................................72
Gain Calibration for Low-Power TIA1
Channel Register............................................72
Offset Calibration High-Speed TIA Channel
Register..........................................................72
Gain Calibration for High-Speed TIA
Channel Register............................................73
Offset Calibration Voltage Channel (PGA
Gain = 1) Register.......................................... 73
Gain Calibration Voltage Input Channel
(PGA Gain = 1) Register................................ 73
Offset Calibration Voltage Channel (PGA
Gain = 1.5) Register....................................... 73
Gain Calibration Voltage Input Channel
(PGA Gain = 1.5) Register............................. 74
Offset Calibration Voltage Input Channel
(PGA Gain = 2) Register................................ 74
Gain Calibration Voltage Input Channel
(PGA Gain = 2) Register................................ 74
Offset Calibration Voltage Input Channel
(PGA Gain = 4) Register................................ 75
Gain Calibration Voltage Input Channel
(PGA Gain = 4) Register................................ 76
Offset Calibration Voltage Input Channel
(PGA Gain = 9) Register................................ 76
Gain Calibration Voltage Input Channel
(PGA Gain = 9) Register................................ 76
Offset Calibration Temperature Sensor
Channel 0 Register.........................................76
Gain Calibration Temperature Sensor
Channel 0 Register.........................................77
Minimum Value Check Register....................... 77
Minimum Slow Moving Value Register............. 77
Maximum Value Check Register...................... 77
Maximum Slow Moving Register......................78
Delta Check Register....................................... 78
Statistics Module Configuration Register......... 78
Mean Output Register...................................... 78
Key Access for DSPUPDATEEN Register....... 80
Digital Logic Test Enable Register....................80
Temperature Sensor 1 Control Register...........80
Low-Power Potentiostat Amplifiers and Low-
Power TIAs........................................................ 81
Low-Power Potentiostat Amplifiers...................81
Low-Power TIAs...............................................81
Low-Power DACs.............................................84
Register Summary: Low-Power TIA/
Potentiostat and DAC Circuits........................... 88
Register Details: Low Power TIA/Potentiostat
and DAC Circuits............................................... 89
Low-Power TIA Control Bits Channel 0
Register..........................................................89
Low-Power TIA Switch Configuration for
Channel 0 Register.........................................90
Low-Power TIA Control Bits Channel 1
Register..........................................................91
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