75
WX-7700MDX
•
MAIN BOARD IC660 RRX9000-0401R#01 (SIRCS CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VDD
—
Power supply terminal (+3.3V)
2
VSS
—
Ground terminal
3
XIN
I
System clock input terminal (4 MHz)
4
XOUT
O
System clock output terminal (4 MHz)
5
CNVSS
—
Ground terminal
6
RESET
I
Reset signal input from the master controller “L”: reset
7, 8
F0, F1
I/O
Not used
9
G0/INT
I
SIRCS signal input from the remote control receiver
10
G1/INT
I/O
Not used
11, 12
G2, G3
I/O
Not used
13 to 16
S3 to S0
I/O
Not used
17
D3/K
O
SIRCS signal output to the master controller
18
D2/C
I/O
Not used
19, 20
D1, D0
I/O
Not used
