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R - 4 0 5 D K
Pin No.
Signal
33
P27
34
P26
35
P25
36
P24
37
P23
38
P22
39
P21
40
P20
41-48
P17-P10
49-50
P07-P06
51-72
SEG21-SEG0
73/74
VCC/VREF
75
AVSS
76
COM3
77
COM2
78
COM1
79
COM0
80
VL3
I/O
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P41, P43, P44 and P45
terminal while one of G8 line keys on key matrix is touched.
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P41, P43, P44 and P45
terminal while one of G7 line keys on key matrix is touched.
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to AN0, P41, P43, P44 and P45
terminal while one of G6 line keys on key matrix is touched.
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P41, P43, P44 and P45
terminal while one of G5 line keys on key matrix is touched.
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P41, P43, P44 and P45
terminal while one of G4 line keys on key matrix is touched.
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P41, P43, P44 and P45
terminal while one of G3 line keys on key matrix is touched.
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P41, P43, P44 and P45
terminal while one of G2 line keys on key matrix is touched.
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P41, P43, P44 and P45
terminal while one of G1 line keys on key matrix is touched.
OUT
Terminal not used.
OUT
Terminal not used.
OUT
Segment data signal.
Connected to LCD.
The relation between signals are as follows:
LSI signal (Pin No.)
SEG 21 (51) .............................. SEG 3
SEG 20 (52) .............................. SEG 2
SEG 19 (53) .............................. SEG 1
SEG 18 (54) ............................ SEG 22
SEG 17 (55) ............................ SEG 21
SEG 16 (56) ............................ SEG 20
SEG 15 (57) ............................ SEG 19
SEG 14 (58) ............................ SEG 18
SEG 13 (59) ............................ SEG 17
SEG 12 (60) ............................ SEG 16
SEG 11 (61) ............................ SEG 15
IN
Connected to GND.
IN
Connected to VC.
OUT
Terminal not used.
OUT
Common data signal: COM1.
Connected to LCD signal C1.
OUT
Common data signal: COM2.
Connected to LCD signal C2.
OUT
Common data signal: COM3.
Connected to LCD signal C3.
IN
Power source voltage input terminal.
Standard voltage for LCD.
Description
LCD (Pin No.)
LSI signal (Pin No.)
SEG 10 (62) ........................... SEG 14
SEG 9 (63) ........................... SEG 13
SEG 8 (64) ........................... SEG 12
SEG 7 (65) ........................... SEG 11
SEG 6 (66) ........................... SEG 10
SEG 5 (67) ............................. SEG 9
SEG 4 (68) ............................. SEG 8
SEG 3 (69) ............................. SEG 7
SEG 2 (70) ............................. SEG 6
SEG 1 (71) ............................. SEG 5
SEG 0 (72) ............................. SEG 4
20
LCD (Pin No.)
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