18
R-3C57
Pin No.
Signal
I/O
Description
25
BUZZ
OUT
Signal to sound buzzer.
A: key touch sound (0.12 sec.).
B: Completion sound (2.4 sec.).
26-27
D4-D5
OUT
Segment data signal.
Refer to the touch control panel circuit for the relationship between signals and
indicators. Normally, one pulse is output in every synchronized signal period, and
input to the anode of the fluorescent display.
28
D6
OUT
Segment data signal.
Signal similar to P41.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R00-R03 terminal while
one of G8 line keys on key matrix is touched.
29-30
D7-D8
OUT
Digit selection signal.
Refer to the touch control panel circuit about the relation between signals and digits.
Normally, one pulse is output in every synchronized signal period, and input to the grid
of the fluorescent display.
31-34
R80-R83
OUT
Digit selection signal.
Refer to the touch control panel circuit about the relation between signals and digits.
Normally, one pulse is output in every synchronized signal period, and input to the grid
of the fluorescent display.
35
R10
OUT
Digit selection signal.
Refer to the touch control panel circuit about the relation between signals and digits.
Normally, one pulse is output in every synchronized signal period, and input to the grid
of the fluorescent display.
36
R11
OUT
Segment data signal.
Signal similar to P41.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R00-R03 terminal while
one of G7 line keys on key matrix is touched.
37
R12
OUT
Segment data signal.
Signal similar to P41.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R00-R03 terminal while
one of G6 line keys on key matrix is touched.
38
R13
OUT
Segment data signal.
Signal similar to P41.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R00-R03 terminal while
one of G5 line keys on key matrix is touched.
39
R20
OUT
Segment data signal.
Signal similar to P41.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R00-R03 terminal while
one of G4 line keys on key matrix is touched.
40
R21
OUT
Segment data signal.
Signal similar to P41.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R00-R03 terminal while
one of G3 line keys on key matrix is touched.
41
R22
OUT
Segment data signal.
Signal similar to P41.
42
R23
OUT
Segment data signal.
Signal similar to P41.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R00-R03 terminal while
one of G1 line keys on key matrix is touched.