Sony XAV-A1 Service Manual page 84

In-dash radio/cd/dvd players with pop-up screens
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XAV-A1
Pin No.
Pin Name
153
DAC VCC
154
DAC GND
155
/ODDF
156
GND
157
Q2 CSYNC
158
VCC
159
DISP
160
GND
161
CDE
162
/CS Q2UGM
163
/CS Q2REG
164
/RD
165, 166
/WE0, /WE1
167
/DACK
168
/DREQ
169
/WAIT Q2
170
VCC
171
/IRQ Q2
172
GND
173 to 176
SD0 to SD4
84
I/O
-
Power supply terminal (+3.3V)
-
Ground terminal
I/O
Not used
-
Ground terminal
O
Sync signal output terminal
-
Power supply terminal (+3.3V)
O
Not used
-
Ground terminal
O
Data enable signal output terminal
I
Chip select signal input from the CPU
I
Chip select signal input from the CPU
I
Read strobe signal input from the CPU
I
Write enable signal input from the CPU
I
Not used
O
Not used
O
Hardware wait request signal output to the CPU
-
Power supply terminal (+3.3V)
O
Interrupt signal output to the CPU
-
Ground terminal
I/O
Two-way data bus with the CPU, SD-RAM and flash memory
Description

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