Sony XR-CA800 Service Manual page 27

• KEY BOARD IC903 RRX9000-0401R#01 (SIRCS CONTROLLER)
Pin No. Pin Name
VDD
1
VSS
2
XIN
3
XOUT
4
CNVSS
5
6 RESET
7, 8 F0, F1
9 SIRCS IN
10 G1/INT
11, 12 G2, G3
13 to 16 S3 to S0
17 SIRCS OUT
18 to 20 D2/C, D1, D0
I/O
—
Power supply terminal (+5V)
—
Ground terminal
I System clock input terminal (4 MHz)
O System clock output terminal (4 MHz)
—
Ground terminal
I
Reset signal input trminal "L": reset
— Not used
I
SIRCS signal input from the remote control receiver (IC902)
—
Not used
—
Not used (open)
— Not used (fixed at "L")
O
SIRCS signal output to the system controller (IC501)
—
Not used (fixed at "L")
Description
XR-CA800
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