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R-334 - 21
1-12
SEG0 -
OUT
Segment data signal.
SEG11
Connected to LCD.
The relation between signals are as follows:
The relation between signals are as follows:
LSI signal (Pin No.)
LCD (Pin No.)
LSI signal (Pin No.)
LCD (Pin No.)
SEG 0 (1) .......................... S12(4)
SEG 0 (1) .......................... S12(4)
SEG 6 (7) ....................... S6(10)
SEG 1 (2) .......................... S11(5)
SEG 7 (8) ....................... S5(11)
SEG 2 (3) .......................... S10(6)
SEG 8 (9) ....................... S4(12)
SEG 3 (4) ............................ S9(7)
SEG 9 (10) ..................... S3(13)
SEG 4 (5) ............................ S8(8)
SEG 10 (11) ................... S2(14)
SEG 5 (6) ............................ S7(9)
SEG 11 (12) ................... S1(15)
13
R60
OUT
Tact switch strobe signal.
Signal applied to tact switch section. A pulse signal is input to R81 terminal while
the tact switch SW4 is touched.
Signal applied to tact switch section. A pulse signal is input to R81 terminal while
the tact switch SW4 is touched.
14
R61
OUT
Tact switch strobe signal.
Signal applied to tact switch section. A pulse signal is input to R81 terminal while
the tact switch SW3 is touched.
Signal applied to tact switch section. A pulse signal is input to R81 terminal while
the tact switch SW3 is touched.
15
R62
OUT
Tact switch strobe signal.
Signal applied to tact switch section. A pulse signal is input to R81 terminal while
the tact switch SW2 is touched.
Signal applied to tact switch section. A pulse signal is input to R81 terminal while
the tact switch SW2 is touched.
16
R63
OUT
Tact switch strobe signal.
Signal applied to tact switch section. A pulse signal is input to R81 terminal while
the tact switch SW1 is touched.
Signal applied to tact switch section. A pulse signal is input to R81 terminal while
the tact switch SW1 is touched.
17
AIN0
IN
To input signal which communicates the door open/close information to
LSI.
Door close "L" level signal (0V). Door open "H" level (+5V)
LSI.
Door close "L" level signal (0V). Door open "H" level (+5V)
18-20
AIN1-AIN3
IN
Terminal to change 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.
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.
21
VSS
IN
Power source voltage: 0V.
VSS voltage of power source circuit input.
VSS voltage of power source circuit input.
22
R70
OUT
Magnetron high-voltage circuit driving signal.
To turn on and off the cook relay
(RY2). The signals holds "L" level
during microwave cooking and "H"
level while not cooking. In other
cooking modes (variable cooking)
the signal turns to "H" level and "L"
level in repetition according to the
power level.
(RY2). The signals holds "L" level
during microwave cooking and "H"
level while not cooking. In other
cooking modes (variable cooking)
the signal turns to "H" level and "L"
level in repetition according to the
power level.
23
R71
OUT
Signal to sound buzzer (2.0 kHz).
A: key touch sound.
B: Completion sound.
24
R72
OUT
Oven lamp, fan motor and turntable motor driving signal.
To turn on and off shut off relay (RY1).
The square waveform voltage is deliv-
ered to the RY1 driving circuit.
The square waveform voltage is deliv-
ered to the RY1 driving circuit.
LSI(IZA088DR)
The I/O signal of the LSI(IXA088DR) are detailed in the following table.
The I/O signal of the LSI(IXA088DR) are detailed in the following table.
Pin No.
Signal
I/O
Description
20.0 msec
During cooking
H : +5V
L : 0V
A
B
0.1 sec.
2 sec.
H : +5V
L: 0V
H : +5V
L: 0V
HIGH
H : +5V
L : 0V
H : +5V
L : 0V
MEDIUM
HIGH
ON
ON
OFF
OFF
OFF
24 sec.
8 sec.
DESCRIPTION OF LSI
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