Evaluation Board User Guide
UG-177
Rev. 0 | Page 3 of 27
EVALUATION BOARD BLOCK DIAGRAMS
POWER
SUPPLY
REGULATION
I
2
C/SPI
COMMUNICATIONS
HEADER
ADAU1772
MP PINS
DIFFERENTIAL
STEREO OUTPUT
SINGLE-ENDED
STEREO OUTPUT
MASTER CLOCK
XTAL
OSCILLATOR
SELFBOOT
EEPROM
ANALOG MIC
INPUTS
STEREO LINE
INPUT
DIGITAL MIC
INPUTS
SERIAL AUDIO
CONNECTOR
OSC
POWER /
BYPASS
SWITCH
Figure 3. Functional Block Diagram
COMMUNICATIONS
HEADER
SERIAL AUDIO
CONNECTOR
SELFBOOT
EEPROM
ANALOG MIC
INPUTS
PDM DIGITAL
MIC INPUTS
STEREO LINE
INPUT
POWER/BYPASS
SWITCH
SINGLE
ENDED
STEREO
OUTPUT
DIFF
STEREO
OUTPUT
POWER SUPPLY
MP PINS
ADAU1772
CLOCK
XTAL
Figure 4. Board Layout Block Diagram
