20
R-1200
R-1201
Pin No.
Signal
I/O
Description
30
XIN
IN
Internal clock oscillation frequency input setting.
The internal clock frequency is set by inserting the ceramic filter oscillation circuit with respect
to XOUT terminal.
31
XOUT
OUT
Internal clock oscillation frequency control output.
Output to control oscillation input of XIN.
32
VSS
IN
Power source voltage: -5.0V.
VC voltage of power source circuit input.
33
P27
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of
G8 line keys on key matrix is touched.
34
P26
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of
G7 line keys on key matrix is touched.
35
P25
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of
G6 line keys on key matrix is touched.
36
P24
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of
G5 line keys on key matrix is touched.
37
P23
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of
G4 line keys on key matrix is touched.
38
P22
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of
G3 line keys on key matrix is touched.
39
P21
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of
G2 line keys on key matrix is touched.
40
P20
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of
G1 line keys on key matrix is touched.
41
P17
OUT
Hood lamp driving signal.
To turn on and off relay(RY3). "L" level: During
Hood lamp ON. "H" level: During Hood lamp
OFF.
42
P16
OUT
Hood lamp driving signal.
To turn on and off relay(RY4). " L " level: During
Hood lamp ON. "H" level: During Hood lamp
OFF.
43-47
P15-P11
OUT
Terminal not used.
48-50
SEG24-SEG22
OUT
Terminal not used.
51-72
SEG21-SEG0
OUT
Segment data signal.
Connected to LCD.
The relation between signals are as follows:
LSI signal (Pin No.)
LCD (Pin No.)
LSI signal (Pin No.)
LCD (Pin No.)
SEG 21 (51) ..................... SEG21 ( 1)
SEG 10 (62) ........................ SEG10 (12)
SEG 20 (52) ..................... SEG20 ( 2)
SEG 9 (63) ......................... SEG 9 (13)
SEG 19 (53) ..................... SEG19 ( 3)
SEG 8 (64) ......................... SEG 8 (14)
SEG 18 (54) ..................... SEG18 ( 4)
SEG 7 (65) ......................... SEG 7 (15)
SEG 17 (55) ..................... SEG17 ( 5)
SEG 6 (66) ......................... SEG 6 (16)
SEG 16 (56) ..................... SEG16 ( 6)
SEG 5 (67) ......................... SEG 5 (17)
SEG 15 (57) ..................... SEG15 ( 7)
SEG 4 (68) ......................... SEG 4 (18)
SEG 14 (58) ..................... SEG14 ( 8)
SEG 3 (69) ......................... SEG 3 (19)
SEG 13 (59) ..................... SEG13 ( 9)
SEG 2 (70) ......................... SEG 2 (20)
SEG 12 (60) .................... SEG12 (10)
SEG 1 (71) ......................... SEG 1 (21)
SEG 11 (61) .................... SEG11 (11)
SEG 0 (72) ......................... SEG 0 (22)
ON
OFF
H : GND
L
ON
OFF
H : GND
L
