Sony PHA-1A Service Manual page 20

PHA-1A/1AEU
Pin No. Pin Name
87 X2DAC_SCLK
88 X2DAC_SDOUT
89 XMDAC_SDOUT0
90 to 92 NC
93 XMDAC_SCLK
94 XMDAC_LRCK
95 XMDAC_MCLK
96 XSEL_PWR
97 VCC3V
98 XRST
99 XTEST
100 XSCI
20
I/O
I/O I2S bit clock signal input/output terminal
O I2S serial data output terminal
O Digital audio data output to the USB controller
- Not used
O Digital audio bit clock signal output to the USB controller
O Digital audio L/R sampling clock signal output to the USB controller
O Digital audio master clock signal output to the USB controller
I Power selection signal input terminal "L": bus power, "H": self power Fixed at "H" in this unit
- Power supply terminal (+3.3V) (digital system)
I Reset signal input terminal
Test mode selection signal input terminal
I
Fixed at "L" in this unit
I System clock input terminal (12 MHz)
Description
Not used
Not used
Not used
"L": normal operation, "H": test mode