Panasonic SJ-MJ88 Service Manual page 49

12.3. IC201 (MN101C32GAE): SYSTEM CONTROL
Pin Mark I/O
No. Division
1 VREF- —
2 (AN0) I
REM
KEY
3 (AN1) I
KEY IN
4 (AN2) I
BATT
5 (AN3) —
6 (AN4)
7 (AN5)
8 (AN6)
9 (AN7) —
10 VREF+ —
11 V DD —
12 OSC2 O
13 OSC1 I
14 V SS —
15 XI —
16 XO —
17 MMOD —
18 REM O
DATA
19 LINK I
RXD
20 — —
21 SSDW O
Function
AD reference input (-)
(connected to GND)
Remote cont. key input
terminal
Unit key input terminal
Battery voltage det. input
terminal
Not used, connected to
GND
Not used, connected to
power supply terminal
AD reference input (+)
(connected to power
supply)
Power supply terminal
System clock output
terminal (F=6MHz)
System clock input
terminal (F=6MHz)
GND terminal
Sub clock input terminal
(Not used, connected to
GND)
Sub clock output terminal
(Not used, open)
Memory mode switching
input terminal (Not used,
connected to GND)
LCD driver data output
terminal
Link serial communication
RXD input terminal
Not used, open
Write data output terminal
for CPU interface
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