-7280
: -1720
PIN NO, j 42
I SIGNAL j- P~~-~~ ~~
1 I/O i IN . ~ ~~~~~
Terminal to chanae functions according to the model.
By using the A/D converter contained in the LSI. DC voltage in accordance with the model in operation is applied
to set up its function.
(Rd93JA2U)
PIN NO. j 43 1 SIGNAL j PlO
I
l/O
j IN
Siqnal comincl from touch kev.
When either one of G-l 2 line keys on key matrix is touched, a corresponding signal out of P70-P73,P63 and P62
will be input into PI 0.
When no key is touched, the signal is held at “L” level.
(RD93CAl U)
PIN NO. 1 44
1 SIGNAL / Pll
I
I/O
( IN
Sional comino from touch kev.
When either one of G-l 1 line keys on key matrix is touched, a corresponding signal will be input into Pl 1.
(RD93CA2U)
PIN NO. j 45
I SIGNAL \ P12
1 l/O i IN
~ ~ ~~
Signal comino from touch kev.
When either one of G-l 0 line keys on key matrix is touched, a corresponding signal will be input into P12.
(RD93CA2U)
I
PIN NO. 1 46 1 SIGNAL / P13
I
I/O
/ IN
Signal comino from touch kev.
When either one of G-9 line keys on key matrix is touched, a corresponding signal will be input into P13.
(RD93CA2U)
PIN NO.
j47 *
Connected to GND.
1 SIGNAL / AGND
I
l/O
/ IN
(RD93KAl U)
PIN NO.
/ 48-53 1 SIGNAL
i PA9-PA4
I
I/O
j OUT
Diait selection sinnal.
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.
(RD9 8Al
)
PIN NO. / 54
1 SIGNAL j PA3
I
l/O
/ OUT
Oven lamp, turntable motor and cooling fan motor driving signal. (Square Waveform: 50Hzl
To turn on and off the control relay.
The pulse signal (50Hz) is delivered to the control relay driving circuit and cook relay control circuit.
(RD932El U)
PIN NO.
j 55
1 SIGNAL / PA2
Maonetron Hiah-voltaae circuit drivinn sicrnal.
To turn on and off the cook relay.
I
I/O
/ OUT
In HGH operation, the signals holds “H” level during microwave cooking and “L” level while not cooking. In other
cooking modes (MED. HIGH, MED., MED. LOW, LOW) the signal turns to “H” level and “L” level in repetition
according to the power level.
(RD933Al U)
18
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