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R362M - 11
DESCRIPTION OF LSI
LSI(IZA961DR)
The I/O signal of the LSI(IZA961DR) are detailed in the following table.
Pin No.
Signal
I/O
Description
20 msec.
H : GND
L (-5V)
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.
3-5
AN7-AN5
IN
Heating constant compensation terminal.
6-7
AN4-AN3
IN
Terminal not used.
8
AN2
IN
Input signal which communicates the door open/close information to 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.
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
Terminal not used.
12
P56
OUT
Signal to sound buzzer.
A: key touch sound.
B: Completion sound.
C: When the temperature of the oven
B: Completion sound.
C: When the temperature of the oven
cavity reaches the preset tem-
perature in the preheating mode,
or when the preheating hold time
(30 minutes) is elapsed.
perature in the preheating mode,
or when the preheating hold time
(30 minutes) is elapsed.
13
P55
OUT
Terminal not used.
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.
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.
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.
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.
will be input into P44.
23
INT1
IN
Terminal not used.
24
INT0
IN
Signal to synchronized LSI with commercial power source frequency(50Hz).
This is basic timing for time processing of LSI.
25
P41
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P44 - P47 terminal
while one of G8 line key on matrix is touched.
while one of G8 line key on matrix is touched.
26
P40
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P44 - P47 terminal
while one of G7 line key on matrix is touched.
while one of G7 line key on matrix is touched.
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