Sharp R-3A55 - Page 20

I
I
) Pin No. ( Signal
I/O
I
!
1
24 iD2 j
OUT
!
-r
/
Description
I
t
i 25 1 BUZZ 1
OUT
/ 27
j 05
OUT
Diqit selection siqnal.
28
j D6 OUT
1
I
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.
Diqit selection siqnal.
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.
I
i
/ 29
! D7 OUT
/
I
I
I
/
/
/
I
j
I
/
30
ID8 : OUT
t
-I-
Diqit selection sianai.
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.
Siqnal to sound buzzer.
A: key touch sound(0.12sec.).
B: Completion sound(2.4sec.).
Diqit 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.
Diqit selection siqnal.
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.
Seqment data siqnal.
Refer to the touch control panel circuit for the relationship between signals and indica-
tors. Normally, one pulse is output in every synchronized signal period, and input to
the anode of the fluorescent display.
R8c 1 OUT
Seqment data siqnal.
: Refer to the touch control panel circuit for the relationship between signals and indica-
tors. Normally. one pulse is output in every synchronized signal period, and input to
the anode of the fluorescent display.
32
R8; ;
OUT
33
j R82 , OUT
I
1
I
I
I
I
’ 34
I R83
I
/ OUT
I
/
I
/
/ 36
OUT
/
Seqment data siqnal.
Refer to the touch control panel circuit for the relationship between signals and indica-
tors. Normally, one pulse is output in every synchronized signal period, and input to
the anode of the fluorescent display.
Seqment data sianal.
Refer to the touch control panel circuit for the relationship between signals and indica-
tors. Normally, one pulse is output in every synchronized signal period, and input to
the anode of the fluorescent display.
Seqment data siqnal.
Refer to the touch control panel circuit for the relationship between signals and indica-
tors. Normally, one pulse is output in every synchronized signal period, and input to
the anode of the fluorescent display.
i
Seqment data siqnal.
Signal similar to 08.
Key strobe siqnal.
Signal applied to touch-key section. A pulse signal is input to ROo-ROs terminal while
one of G8 line keys on key matrix is touched.
Secament data siqnal.
Signal similar to D8.
Kev strobe siqnal.
Signal applied to touch-key section. A pulse signal is input to ROo-ROs terminal while
one of G7 line keys on key matrix is touched.
18
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