19
R-310AK
R-330AK
R-330AW
Pin No.
Signal
I/O
Description
28
P36
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P20 - P23 terminal while one
of G1 line keys on key matrix is touched.
29
P37
OUT
Terminal not used.
30
VSS
IN
Power source voltage : -5V.
VSS voltage of power source circuit input.
31-33
V3-V1
IN
Power source voltage input terminal.
Standard voltage for LCD.
34
VCC
IN
Connected to GND.
35
COM4
OUT
Common data signal: COM4.
Connected to LCD (Pin No. 1).
36
COM3
OUT
Common data signal: COM3.
Connected to LCD (Pin No. 2).
37
COM2
OUT
Common data signal: COM2.
Connected to LCD (Pin No. 3).
38
COM1
OUT
Common data signal: COM1.
Connected to LCD (Pin No. 4).
39-50
SEG1-SEG12
OUT
Terminal not used.
51
SEG13
OUT
Segment data signal.
Connected to LCD.
The relation between signals are as follows:
LSI signal (Pin No.)
LCD (Pin No.)
LSI signal (Pin No.)
LCD (Pin No.)
SEG 13 (51) ............................. 29
P83 (66) ................................... 16
SEG 14 (52) ............................. 28
P84 (67) ................................... 15
SEG 15 (53) ............................. 27
P85 (68) ................................... 14
SEG 16 (54) ............................. 26
P86 (69) ................................... 13
SEG 18 (56) ............................. 25
P87 (70) ................................... 12
SEG 19 (57) ............................. 24
P91 (72) ................................... 11
SEG 20 (58) ............................. 23
P92 (73) ................................... 10
SEG 21 (59) ............................. 22
P93 (74) ..................................... 9
SEG 22 (60) ............................. 21
P94 (75) ..................................... 8
SEG 23 (61) ............................. 20
P95 (76) ..................................... 7
SEG 24 (62) ............................. 19
P96 (77) ..................................... 6
P81 (64) ................................... 18
P97 (78) ..................................... 5
P82 (65) ................................... 17
52-54
SEG 14-SEG16
OUT
Segment data signal.
Signal similar to SEG 13.
55
SEG17
OUT
Terminal not used.
56-62
SEG 18-SEG24
OUT
Segment data signal.
Signal similar to SEG 13.
63
SEG25
OUT
Terminal not used.
64-70
P81-P87
OUT
Segment data signal.
Signal similar to SEG 13.
71
P90
OUT
Terminal not used.
72-78
P91-P97
OUT
Segment data signal.
Signal similar to SEG 13.
79
VCC
IN
Connected to GND.
80-82
P10-P12
IN
Terminal not used.
83-87
P13-P17
OUT
Used for initial balancing of the bridge circuit (absolute humidity sensor).
88
P40
OUT
Oven lamp, fan motor and turntable motor driving signal.
To turn on and off shut off relay (RY1). The square waveform voltage is delivered to the RY1
driving circuit and RY2 control circuit.
16.7 msec
During cooking
H : GND
L : -5V
