R-340A
16
Pin No.
Signal
I/O
Description
36
P24
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P44 - P47 terminal
while one of G6 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 P44 - P47 terminal
while one of G5 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 P44 - P47 terminal
while one of G4 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 P44 - P47 terminal
while one of G3 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 P44 - P47 terminal
while one of G2 line keys on key matrix is touched.
41-44
P17-P14
OUT
Terminal not used.
45-47
P13-P11
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.)
P13 (45) ......................... S16 (25)
SEG 13 (59) .................... S20 (12)
P12 (46) ......................... S15 (24)
SEG 11 (61) .................... S21 (11)
P11 (47) ......................... S14 (23)
SEG 10 (62) .................... S22 (10)
SEG 24 (48) ................... S13 (22)
SEG 9 (63) ....................... S23 ( 9)
SEG 23 (49) ................... S12 (21)
SEG 8 (64) ....................... S24 ( 8)
SEG 22 (50) ................... S11 (20)
SEG 7 (65) ....................... S25 ( 7)
SEG 21 (51) ................... S10 (19)
SEG 6 (66) ....................... S26 ( 6)
SEG 19 (53) ..................... S9 (18)
SEG 5 (67) ........................ S 4 ( 5)
SEG 18 (54) ..................... S8 (17)
SEG 3 (69) ........................ S 3 ( 4)
SEG 17 (55) ..................... S7 (16)
SEG 2 (70) ........................ S 2 ( 3)
SEG 16 (56) ..................... S6 (15)
SEG 1 (71) ........................ S 1 ( 2)
SEG 15 (57) ..................... S5 (14)
SEG 0 (72) ........................ S 0 ( 1)
SEG 14 (58) ................... S19 (13)
48-51
SEG24-SEG21
OUT
Segment data signal.
Signal similar to P13.
52
SEG20
OUT
Terminal not used.
53-59
SEG19-SEG13
OUT
Segment data signal.
Signal similar to P13.
60
SEG12
OUT
Terminal not used.
61-67
SEG11-SEG5
OUT
Segment data signal.
Signal similar to P13.
68
SEG4
OUT
Terminal not used.
69-72
SEG3-SEG0
OUT
Segment data signal.
Signal similar to P13.
73/74
VCC/VREF
IN
Connected to GND.
75
AVSS
IN
Connected to VC.
76
COM3
OUT
Common data signal: COM3.
Connected to LCD signal C3 (Pin No. 29)
77
COM2
OUT
Common data signal: COM2.
Connected to LCD signal C2 (Pin No. 28)
78
COM1
OUT
Common data signal: COM1.
Connected to LCD signal C1 (Pin No. 27)
79
COM0
OUT
Common data signal: COM0.
Connected to LCD signal C0 (Pin No. 26)
80
VL3
IN
Power source voltage input terminal.
Standard voltage for LCD.
Summary of Contents for R-340A
Page 2: ...R 340A ...
