24
R-1480
R-1481
R-1482
Pin No.
Signal
I/O
Description
ß(60Hz)
GND
VP
41-44
P17-P14
OUT
Digit selection signal.
Signal similar to P23.
45-48
P13-P10
OUT
Segment data signals.
The relation between signals and indicators are as follows:
Signal
Segment
Signal
Segment
P13 ............... P15
P03 ................ P7
P12 ............... P14
P02 ................ P6
P11 ............... P13
P01 ................ P5
P10 ............... P12
P00 ................ P4
P07 ............... P11
P37 ................ P3
P06 ............... P10
P36 ................ P2
P05 ................. P9
P35 ................ P1
P04 ................. P8
(ß : INTO signal)
Refer to the touch control panel circuit about the relation between signals and indicators.
Normally, one pulse is output in every synchronized signal (ß) period, and input to the
anode of the fluorescent display.
49
P07
OUT
Segment data signal.
Signal similar to P13.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P27 - P24 terminal while one
of G8 line keys on key matrix is touched.
50
P06
OUT
Segment data signal.
Signal similar to P13.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P27 - P24 terminal while one
of G7 line keys on key matrix is touched.
51
P05
OUT
Segment data signal.
Signal similar to P13.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P27 - P24 terminal while one
of G6 line keys on key matrix is touched.
52
P04
OUT
Segment data signal.
Signal similar to P13.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P27 - P24 terminal while one
of G5 line keys on key matrix is touched.
53
P04
OUT
Segment data signal.
Signal similar to P13.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P27 - P24 terminal while one
of G4 line keys on key matrix is touched.
54
P02
OUT
Segment data signal.
Signal similar to P13.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P27 - P24 terminal while one
of G3 line keys on key matrix is touched.
55
P01
OUT
Segment data signal.
Signal similar to P13.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P27 - P24 terminal while one
of G2 line keys on key matrix is touched.
56
P00
OUT
Segment data signal.
Signal similar to P13.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P27 - P24 terminal while one
of G1 line keys on key matrix is touched.
57-59
P37-P35
OUT
Segment data signal.
Signal similar to P13.
60-64
P34-P30
OUT
Terminal not used.
