24
37
P21
OUT
Damper motor relay driving signal.
To turn on and off shut-off relay (RY8).
38
P20
OUT
Touch control transformer driving signal.
To turn on and off the shut off relay (RY5). If the oven has not been used for more
than 2 minutes, the relay RY5 will be turned off. The relay RY5 will be turned on
when the oven door is opened and closed.
39
P17
OUT
Tact switch strobe signal.
Signal applied to tact switch section. A pulse signal is input to P70 - P73 terminal
while one of J-6 line tact switches on matrix is touched.
40
P16
OUT
Tact switch strobe signal.
Signal applied to tact switch section. A pulse signal is input to P70 - P73 terminal
while one of J-5 line tact switches on matrix is touched.
41
P15
OUT
Tact switch strobe signal.
Signal applied to tact switch section. A pulse signal is input to P70 - P73 terminal
while one of J-2 line tact switches on matrix is touched.
42
P14
OUT
Tact switch strobe signal.
Signal applied to tact switch section. A pulse signal is input to P70 - P73 terminal
while one of J-1 line tact switches on matrix is touched.
43-46
P13-P10
OUT
Terminal not used.
47-52
P07-P02
OUT
Terminal not used.
53-54
P01-P00
OUT
Data output terminal to LCD driver IC3.
55-62
P37-P30
OUT
Data output terminal to LCD driver IC3.
63-66
P87-P84
OUT
Data output terminal to LCD driver IC3.
67-70
P83-P80
IN
Input terminal to change the specification of model.
71
VCC
IN
Connected to GND.
72
VREF
IN
Connected to GND.
73
AVSS
IN
Connected to VC.
74-76
AN7-AN5
IN
Heating constant compensation terminal.
77
AN4
IN
Signal coming from potentiometer.
By inputting DC voltage corresponding to the cooking mode set by the potentiometer,
this input is converted into cooking mode by the A/D converter built into the LSI.
78
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.
79
AN2
IN
Input signal which communicates the door open/close information to LSI.
Door closed; "H" level signal.
Door opened; "L" level signal.
80
AN1
IN
Terminal not used.
Pin No.
Signal
I/O
Description
ON
OFF
L
GND
H.
DESCRIPTION OF LSI
