ADAU1463/ADAU1467
Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
Random Access Memory .......................................................... 90
Control Registers........................................................................ 93
Control Register Details ................................................................ 99
PLL Configuration Registers .................................................... 99
Clock Generator Registers ...................................................... 103
Power Reduction Registers ..................................................... 109
Slave Control Port Memory Page Setting Register .............. 111
Audio Signal Routing Registers.............................................. 112
Serial Port Configuration Registers....................................... 120
SDATA Port Routing Register ................................................ 123
Flexible TDM Interface Registers........................................... 125
DSP Core Control Registers.................................................... 128
Debug and Reliability Registers.............................................. 133
DSP Program Execution Registers......................................... 141
Panic Mask Registers ............................................................... 144
Multipurpose Pin Configuration Registers........................... 157
ASRC Status and Control Registers ....................................... 162
Auxiliary ADC Registers......................................................... 166
Secondary I2C Master Register............................................... 166
S/PDIF Interface Registers ...................................................... 167
S/PDIF Receiver MCLK Speed Selection Register............... 170
S/PDIF Transmitter MCLK Speed Selection Register......... 171
Hardware Interfacing Registers.............................................. 179
MP14 Pin Drive Strength and Slew Rate Register ............... 197
MP15 Pin Drive Strength and Slew Rate Register ............... 198
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
General Description......................................................................... 4
Differences Between the ADAU1463 and ADAU1467 ........... 4
Specifications..................................................................................... 5
Electrical Characteristics............................................................. 7
Timing Specifications .................................................................. 9
Absolute Maximum Ratings.......................................................... 17
Thermal Considerations............................................................ 17
ESD Caution................................................................................ 17
Pin Configuration and Function Descriptions........................... 18
Theory of Operation ...................................................................... 24
System Block Diagram............................................................... 24
Overview...................................................................................... 24
Initialization ................................................................................ 26
Master Clock, PLL, and Clock Generators.............................. 30
Power Supplies, Voltage Regulator, and Hardware Reset...... 35
Temperature Sensor Diode........................................................ 36
Slave Control Ports..................................................................... 36
Slave Control Port Addressing.................................................. 37
Slave Port to DSP Core Address Mapping .............................. 37
Master Control Ports.................................................................. 44
Self Boot....................................................................................... 45
Serial Data Input/Output........................................................... 46
SDATAIOx Pins.......................................................................... 53
Serial Clock Domains ................................................................ 54
Asynchronous Sample Rate Converters .................................. 63
Audio Signal Routing................................................................. 67
Flexible TDM Interface.............................................................. 69
S/PDIF Interface ......................................................................... 74
Digital PDM Microphone Interface......................................... 77
Multipurpose Pins ...................................................................... 78
Auxiliary ADC............................................................................ 82
SigmaDSP Core .......................................................................... 82
Software Features........................................................................ 87
Pin Drive Strength, Slew Rate, and Pull Configuration ........ 88
Global RAM and Control Register Map...................................... 90
SDATA In/Out Pins Drive Strength and Slew Rate Registers
..................................................................................................... 199
MP24 Pin Drive Strength and Slew Rate Register ............... 200
MP25 Pin Drive Strength and Slew Rate Register ............... 201
Soft Reset Register.................................................................... 202
Applications Information............................................................ 203
PCB Design Considerations ................................................... 203
Typical Applications Block Diagram ..................................... 204
Example PCB Layout ............................................................... 205
PCB Manufacturing Guidelines ............................................. 206
Outline Dimensions..................................................................... 207
Ordering Guide ........................................................................ 207
Automotive Products............................................................... 207
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