Sony HCD-ZX70DVD Service Manual page 31

Pin No. Pin Name
80 SO1
81 SI2
82 SO2
83 XRST
84 DACK1
85 DACK0
86 DREQ1
87 DREQ0
88 INT3
89 SC1
90 GND
91 X1
92 X0
93 VCC5
94 INT1
95 INT0
96 XIFOK
97 XIFCS
98 XDACS0
99 XDACS1
100 DVD/CD
I/O
Serial data output to the audio DSP (IC501), DSD decoder (IC901) and D/A converter
O
(IC902, IC905 to 907)
I
RS-232C data input terminal (for debug)
O RS-232C data output terminal (for debug)
O
Reset signal output to the gate array (IC601)
O
Acknowledge signal output to the AV decoder (IC401)
O
Acknowledge signal output to the AV decoder (IC401)
I
DMA request signal input from AV decoder (IC401)
I
DMA request signal input from AV decoder (IC401)
I
Interrupt request signal input from the gate array (IC601)
Serial data transfer clock signal output to the audio DSP (IC501), DSD decoder (IC901) and
O
D/A converter (IC902, IC905 to 907)
—
Ground terminal
O System clock output terminal (12.5MHz)
I
System clock input terminal (12.5MHz)
—
Power supply terminal (+3.3V)
I Interrupt request signal input from the gate array (IC601)
I
Interrupt request signal input from the AV decoder (IC401)
I
Acknowledge signal input from the IF controller (IC1)
O
Chip select signal output to the IF controller (IC1)
O Chip select signal output to the D/A converter (IC902)
O
Chip select signal output to the D/A converter (IC905)
Sampling frequency selection signal output to the PLL IC (IC001)
O
"L": 48kHz, "H": 44.1kHz
Description
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