Panasonic SJ-MJ88, Service Manual

Page: 49 / 62

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