EVAL-ADAU1702EB AD [Analog Devices], EVAL-ADAU1702EB Datasheet - Page 2

• Manufacturer Part Number: EVAL-ADAU1702EB
• Description: SigmaDSP 28-56-Bit Audio Processor with Two ADCs and Four DACs
• Manufacturer: AD [Analog Devices]

ADAU1702
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Digital Timing Diagrams................................................................. 7
Absolute Maximum Ratings............................................................ 9
Pin Configuration and Function Descriptions........................... 10
Typical Performance Characteristics ........................................... 13
System Block Diagram ................................................................... 14
Overview.......................................................................................... 15
Initialization .................................................................................... 16
Audio ADCs .................................................................................... 19
Audio DACs .................................................................................... 20
Control Ports................................................................................... 21
Signal Processing ............................................................................ 28
REVISION HISTORY
10/06—Revision 0: Initial Version
Analog Performance .................................................................... 3
Digital Input/Output.................................................................... 4
Power.............................................................................................. 4
Temperature Range ...................................................................... 4
PLL and Oscillator........................................................................ 4
Regulator........................................................................................ 5
Digital Timing Specifications ..................................................... 5
Thermal Resistance ...................................................................... 9
ESD Caution.................................................................................. 9
Power-Up Sequence ................................................................... 16
Control Registers Setup ............................................................. 16
Recommended Program/Parameter Loading Procedure ..... 16
Power-Reduction Modes ........................................................... 16
Using the Oscillator.................................................................... 17
Setting Master Clock/PLL Mode .............................................. 17
Voltage Regulator ....................................................................... 18
I C Port
SPI Port ........................................................................................ 25
Self-Boot ...................................................................................... 26
Numeric Formats........................................................................ 28
Programming .............................................................................. 28
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RAMs and Registers....................................................................... 29
Control Register Map..................................................................... 31
Control Register Details ................................................................ 33
Multipurpose Pins .......................................................................... 44
Layout Recommendations............................................................. 47
Typical Application Schematics.................................................... 48
Outline Dimensions ....................................................................... 51
Address Maps.............................................................................. 29
Parameter RAM.......................................................................... 29
Data RAM ................................................................................... 29
Read/Write Data Formats ......................................................... 29
2048 to 2055 (0x0800 to 0x0807)—Interface Registers......... 33
2056 (0x808)—GPIO Pin Setting Register.............................. 34
2057 to 2060 (0x809 to 0x80C)—
Auxiliary ADC Data Registers.................................................. 35
2064 to 2068 (0x0810 to 0x814)—Safeload Data Registers.........36
2069 to 2073 (0x0815 to 0x819) Safeload Address Registers ......36
2074 to 2075 (0x081A to 0x081B)—Data Capture Registers......37
2076 (0x081C)—DSP Core Control Register ......................... 38
2078 (0x081E)—Serial Output Control Register ................... 39
2079 (0x081F)—Serial Input Control Register....................... 40
2080 to 2081 (0x0820 to 0x0821)—
Multipurpose Pin Configuration Registers............................. 41
2082 (0x0822)—Auxiliary ADC and Power Control ............ 42
2084 (0x0824)—Auxiliary ADC Enable.................................. 42
2086 (0x0826)—Oscillator Power-Down................................ 42
2087 (0x0827)—DAC Setup...................................................... 43
Auxiliary ADC............................................................................ 44
General-Purpose Input/Output Pins....................................... 44
Serial Data Input/Output Ports ................................................ 44
Parts Placement .......................................................................... 47
Grounding ................................................................................... 47
Self-Boot Mode........................................................................... 48
I C Control
SPI Control.................................................................................. 50
Ordering Guide .......................................................................... 51
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