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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.