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871M - 11
50
P16
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G10 line keys on matrix is touched.
terminal while one of G10 line keys on matrix is touched.
51
P15
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G8 line keys on matrix is touched.
terminal while one of G8 line keys on matrix is touched.
52
P14
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G6 line keys on matrix is touched.
terminal while one of G6 line keys on matrix is touched.
53
P13
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G4 line keys on matrix is touched.
terminal while one of G4 line keys on matrix is touched.
54
P12
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G3 line keys on matrix is touched.
terminal while one of G3 line keys on matrix is touched.
55
P11
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G1 line keys on matrix is touched.
terminal while one of G1 line keys on matrix is touched.
56
P10
OUT
Terminal not used.
57-60
SEG33-SEG30
OUT
Terminal not used.
61-90
SEG29-SEG0
OUT
Segment data signal.
Connected to LCD.
The relation between signals are as follows:
The relation between signals are as follows:
LSI signal (Pin No.)
LCD (Pin No.)
LSI signal (Pin No.)
LCD (Pin No.)
SEG 0 (90) ................................ 1
SEG 0 (90) ................................ 1
SEG15 (75) ........................... 29
SEG 1 (89) ................................ 2
SEG16 (74) ........................... 28
SEG 2 (88) ................................ 3
SEG17 (73) ........................... 27
SEG 3 (87) ................................ 4
SEG18 (72) ........................... 26
SEG 4 (86) ................................ 5
SEG19 (71) ........................... 25
SEG 5 (85) ................................ 6
SEG20 (70) ........................... 24
SEG 6 (84) ................................ 7
SEG21 (69) ........................... 11
SEG 7 (83) ................................ 8
SEG22 (68) ........................... 23
SEG 8 (82) ................................ 9
SEG23 (67) ........................... 22
SEG 9 (81) .............................. 10
SEG24 (66) ........................... 12
SEG10 (80) ............................. 34
SEG25 (65) ........................... 13
SEG11 (79) ............................. 33
SEG26 (64) ........................... 14
SEG12 (78) ............................. 32
SEG27 (63) ........................... 15
SEG13 (77) ............................. 31
SEG28 (62) ........................... 16
SEG14 (76) ............................. 30
SEG29 (61) ........................... 17
45
P23
IN
Signal coming from touch key.
When any one of G2 line keys on key matrix is touched, a corresponding
signal from P11 - P17 will be input into P23. When no key is touched, the
signal is held at "L" level.
signal from P11 - P17 will be input into P23. When no key is touched, the
signal is held at "L" level.
46
P22
IN
Signal similar to P23.
When any one of G5 and G9 line keys on key matrix is touched, a
corresponding signal will be input into P22.
corresponding signal will be input into P22.
47
P21
IN
Signal similar to P23.
When any one of G7 line keys on key matrix is touched, a corresponding
signal will be input into P21.
signal will be input into P21.
48
P20
IN
Signal similar to P23.
When any one of G11 line keys on key matrix is touched, a corresponding
signal will be input into P20.
signal will be input into P20.
49
P17
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23
terminal while one of G12 line keys on matrix is touched.
terminal while one of G12 line keys on matrix is touched.
Pin No.
Signal
I/O
Description
TOUCH CONTROL / DESCRIPTION OF LSI
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