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R-962M - 12
DESCRIPTION OF LSI
LSI(IZA963DR)
The I/O signal of the LSI(IZA963DR) are detailed in the following table.
Pin No.
Signal
I/O
Description
A
B
C
H: GND
L
0.12 sec
2.4 sec
1.2 sec
1.2 sec
1
C1
IN
Terminal not used.
2
VL1
IN
Power source voltage input terminal.
Standard voltage for LCD.
3
AN7
IN
Terminal not change the on timing of the cook relay (RY2).
4-5
AN6-AN5
IN
Heating constant compensation terminal.
6
AN4
OUT
Terminal not used.
7
AN3
IN
Temperature measurement input: OVEN THERMISTOR.
By inputting DC voltage corresponding to the temperature detected by the
thermistor, this input is converted into temperature by the A/D converter built
into the LSI.
thermistor, this input is converted into temperature by the A/D converter built
into the LSI.
8
AN2
IN
Input signal which communicates the door open/close information to
LSI.
LSI.
Door closed; "H" level signal.
Door opened; "L" level signal.
Door opened; "L" level signal.
9
AN1
IN
AH sensor input.
This input is an analog input terminal from the AH sensor circuit, and
connected to the A/D converter built into the LSI.
connected to the A/D converter built into the LSI.
10
AN0
IN
Used for initial balancing of the bridge circuit (absolute humidity sensor). This
input is an analog input terminal from the AH sensor circuit, and connected to
the A/D converter built into LSI.
This input is an analog input terminal from the AH sensor circuit, and
connected to the A/D converter built into the LSI.
input is an analog input terminal from the AH sensor circuit, and connected to
the A/D converter built into LSI.
This input is an analog input terminal from the AH sensor circuit, and
connected to the A/D converter built into the LSI.
11
P57
OUT
Timing signal output terminal for temperature measurement(OVEN
THERMISTOR).
THERMISTOR).
"H" level (GND) : Thermistor OPEN timing.
"L" level (-5V) : Temperature measuring timing. (Convection cooking)
"L" level (-5V) : Temperature measuring timing. (Convection cooking)
12
P56
OUT
Signal to sound buzzer.
A: key touch sound.
B: Completion sound.
C: When the temperature of the
B: Completion sound.
C: When the temperature of the
oven cavity reaches the preset
temperature in the preheating
mode, or when the preheating
hold time (30 minutes) is elapsed.
temperature in the preheating
mode, or when the preheating
hold time (30 minutes) is elapsed.
13
P55
OUT
Timing signal output terminal for temperature measurement(OVEN
THERMISTOR).
THERMISTOR).
"H" level (GND) : Thermistor OPEN timing.
"L" level (-5V) : Temperature measuring timing. (Convection cooking)
"L" level (-5V) : Temperature measuring timing. (Convection cooking)
14-18
P54-P50
OUT
Used for initial balancing of the bridge circuit (absolute humidity sensor).
19
P47
IN
Signal coming from touch key.
When any one of G12 line keys on key matrix is touched, a corresponding
signal from P40, P41, P72, P73, P74, P75, P76 and P77 will be input into
P47. When no key is touched, the signal is held at "L" level.
signal from P40, P41, P72, P73, P74, P75, P76 and P77 will be input into
P47. When no key is touched, the signal is held at "L" level.
20
P46
IN
Signal similar to P47.
When any one of G11 line keys on key matrix is touched, a corresponding
signal will be input into P46.
signal will be input into P46.
21
P45
IN
Signal similar to P47.
When any one of G10 line keys on key matrix is touched, a corresponding
signal will be input into P45.
signal will be input into P45.
22
P44
IN
Signal similar to P47.
When any one of G9 line keys on key matrix is touched, a corresponding
signal will be input into P44.
signal will be input into P44.
23
INT1
OUT
Terminal not used.
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