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R-9370
Pin No.
Signal
I/O
Description
1
P30
OUT
Segment
data signals
The relation between signals and segments are as follows:
Signal
Segment
P20 . . , . . . . . . . . . . . d
P21 . . * . . . . , * . . . * . c
P22 , . . . , . . . . . . . . . b
P23 . . . . . . . . . . . . . . a
P30 . . . . . . . . . . . . . . e
p31
. . . . . .*,
. , . . *,
f
P32 . . . . . . . . . . . . . . g
1.68
msec.
P33 , . . . . , . . . . . . . . h
---
GND
~40
. . . . , . . . . . . . . . i
a ....-...
DEFROST
~41
. . . . . . . . . . . . . . j
b . -. - - - a. SENSOR
Segment
I-
Signal
P42 . . . . . . . . . . . . . . k
-27V
P31
OUT
P32
OUT
P33
OUT
ACL
IN
Auto-clear
terminal
Signal is input to reset the LSI to the initial state when power is supplied. Temporarily set
to "L" level the moment power is supplied, at this time the LSI is reset. Thereafter set at
"H" level.
CL1
IN
internal
clock oscillation
frequency
setting input.
The internal clock frequency is set by inserting the ceramic filter oscillation circuit with
respect to CL2 terminal.
CL2
OUT
Internal
clock oscillation
frequency
control
output.
Output to control oscillation input of CLl.
8
P41
OUT
Segment
data signal.
Signal similar to P30.
9
TEST
IN
Not used. Connected to VDD (--12V).
10
P40
OUT
Segment
data signal.
Signal similar to P30.
11
P42
OUT
OUT
Signal for lighting
of Power level and COMPU
indicators.
12
13
P43
P50
Signal similar to P30.
OUT
Signal for lighting of COOK,
AUTO
and kg indicators.
Signal similar to P30.
14
P51
IN
Terminal not used.
P52
151
IN
IN
IN
IN
OUT
Not used. Terminal for manufacture test.
Terminal not used.
Key strobe signal.
Signal applied to touch-key section.
A pulse signal is input to PlO - P13 terminal while one of G-l line keys on key matrix is
touched.
OUT
Key strobe signal.
Signal applied to touch-key section.
4 pulse signal is input to PlO - P13 terminal while one of G-2 line keys on key matrix is
touched.
16
P53
P60
P61
P62
17
18
19
T
11
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