Analog Devices ADuCM355 Hardware Reference Manual page 4

UG-1262
Low Power TIA Switch Configuration for Channel 0 Register
....................................................................................................... 94
Low Power TIA Control Bits Channel 1 Register .................. 95
Low Power TIA Switch Configuration for Channel 1 Register
....................................................................................................... 97
LPDAC0 Data Out Register ...................................................... 98
LPDAC0 Switch Control Register ............................................ 98
LPDAC0 Control Register ........................................................ 99
LPDAC1 Data Out Register ...................................................... 99
LPDAC1 Switch Control Register .......................................... 100
LPDAC1 Control Register ...................................................... 100
Low Power Reference Control Register ................................ 101
High Speed TIA Circuits ............................................................. 102
Key Features .............................................................................. 102
Using DE0 and DE1 Inputs with the High Speed TIA ....... 104
External R Selection ............................................................. 104
TIA
Register Summary: High Speed TIA Circuits ........................... 105
Register Details: High Speed TIA Circuits ................................ 106
High Speed R Configuration Register ............................... 106
TIA
DE1 High Speed TIA Resistor Configuration Register ...... 106
DE0 High Speed TIA Resistor Configuration Register ...... 107
High Speed TIA Amplifier Configuration Register ............ 107
High Speed DAC Circuits ........................................................... 108
High Speed DAC Output Signal Generation ....................... 108
High Speed DAC Core Power Modes ................................... 108
Recommended Configuration in Hibernate Mode ............. 109
High Speed DAC Filter Options ............................................ 109
High Speed DAC Output Attenuation Options .................. 109
Coupling an AC Signal from High Speed DAC onto the DC
Level Set by Low Power DAC ................................................. 109
Avoiding Incoherency Errors Between Excitation and
Measurement Frequencies During Impedance Measurements
..................................................................................................... 110
Calibrating the High Speed DAC ........................................... 110
Register Summary: High Speed DAC Circuits ......................... 112
Register Details: High Speed DAC Circuits .............................. 113
High Speed DAC Configuration Register ............................. 113
Direct Write to DAC Output Control Value Register ........ 113
DAC DC Buffer Configuration Register ............................... 113
DAC Gain Register ................................................................... 114
DAC Offset with Attenuator Enabled (Low Power Mode)
Register ...................................................................................... 114
ADuCM355
DAC Offset with Attenuator Disabled (Low Power Mode)
Register ...................................................................................... 114
DAC Offset with Attenuator Enabled (High Power Mode)
Register ...................................................................................... 115
DAC Offset with Attenuator Disabled (High Power Mode)
Register ...................................................................................... 115
Waveform Generator Configuration Register ..................... 115
Waveform Generator for Sinusoid Frequency Control Word
Register ...................................................................................... 116
Waveform Generator for Sinusoid Phase Offset Register .. 116
Waveform Generator for Sinusoid Offset Register ............. 116
Waveform Generator for Sinusoid Amplitude Register ..... 116
Programmable Switches Connecting the External Sensor to the
High Speed DAC and High Speed TIA ..................................... 117
Dx Switches ............................................................................... 117
Px Switches ................................................................................ 117
Nx Switches ............................................................................... 117
Tx Switches ............................................................................... 117
Options for Controlling All Switches .................................... 117
Register Summary: Programmable Switches ............................ 120
Register Details: Programmable Switches ................................ 121
Switch Matrix Configuration Register .................................. 121
Dx Switch Matrix Full Configuration Register .................... 122
Nx Switch Matrix Full Configuration Register .................... 123
Px Switch Matrix Full Configuration Register ..................... 124
Tx Switch Matrix Full Configuration Register .................... 125
Dx Switch Matrix Status Register .......................................... 126
Px Switch Matrix Status Register ........................................... 126
Nx Switch Matrix Status Register .......................................... 127
Tx Switch Matrix Status Register ........................................... 128
Sequencer....................................................................................... 130
Sequencer Features .................................................................. 130
Sequencer Overview ................................................................ 130
Sequencer Commands ............................................................. 130
Sequencer Operation ............................................................... 131
Sequencer and FIFO Registers ............................................... 134
AFE Interrupts .............................................................................. 139
Interrupt Controller Interupts ............................................... 139
Configuring the Interrupts ..................................................... 139
Custom Interrupts ................................................................... 139
Interrupt Registers ................................................................... 140
Sleep and Wake-Up Timer ......................................................... 145
Rev. B | Page 4 of 312
Hardware Reference Manual