Panasonic SJ-MR220 Service Manual page 48

Pin Mark I/O
No. Division
1 VREF- I
2 REM I
KEY
3 KEY IN1 I
4 TEMP I
5 BATT1 I
6 LDPADJ I
7 DOCTOR O
8 OUTC O
9 NC —
10 VREF+ I
11 V I
DD
12 OSC2 I
13 OSC1 O
14 VSS —
15 XI I
16 XO O
17 MMOD —
18 REM O
DATA
19 LINK I
RXD
20 NC —
21 SSDW O
22 SSDR I
Function
Reference voltage input
terminal
Remote cont. key input
terminal
Unit key1 input terminal
Temperature sensor input
terminal
Battery voltage det. input
terminal
LDP input terminal
Doctor mode input terminal
Charge pump output
terminal (Not used, open)
Not used, open
Reference voltage input
terminal
Power supply terminal
System clock input
terminal (f=10.02MHz)
System clock output
terminal (f=10.02MHz)
GND terminal
Sub clock input terminal
(Not used, connected to
GND)
Sub clock output terminal
(Not used, open)
Memory mode select input
terminal (Connected to
GND)
LCD driver data output
terminal
Link serial input terminal
Not used, open
MSP/MDA interface writing
data output terminal
MSP/MDA interface reading
data input terminal
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