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Pin No.
Signal
I/O
27
P75
OUT
28
P74
OUT
29
P73
OUT
30
P72
OUT
31
P71
IN
32
P70
IN/OUT
33
P67
OUT
34
P66
IN
35
P65
OUT
36
P64
IN/OUT
37-88
OUT
FLD51-FLD0
89
VEE
IN
90
PB6
OUT
91
PB5
OUT
92
PB4
OUT
93-96
PB3-PB0
IN
97
AVSS
IN
98
VREF
IN
Cooling fan motor driving signal.
To turn on and off shut-off relay(RY5). "L" level
during both microwave and convection cooking;
"H" level otherwise
Damper motor relay driving signal.
To turn on and off shut-off relay(RY4).
Convection motor driving signal.
To turn on and off shut-off relay(RY3). "L"level
during CONVECTION, GRILL, DUAL1, DUAL2
or PREHEAT; "H" level otherwise
Control signal to turn over the rotatory direction of the convection motor.
Signal to synchronize LSI with commercial power source frequency.
This is the basic timing for all real time
processing of LSI.
Memory (EEPROM) data input/output.
Terminal to input the program to LSI.
Terminal to input the program to LSI.
Memory (EEPROM) clock out.
Terminal to input the program to LSI.
Segment data signals.
The relation between signals and indicator are as follows:
Signal
Segment
(Pin No.)
(Pin No.)
FLD 0 (88) ---------- 10G(45)
FLD 1 (87) ----------- 9G (46)
FLD 2 (86) ----------- 8G (47)
FLD 3 (85) ----------- 7G (48)
FLD 4 (84) ----------- 6G (49)
FLD 5 (83) ----------- 5G (50)
FLD 6 (82) ----------- 4G (51)
FLD 7 (81) ----------- 3G (52)
FLD 8 (80) ----------- 2G (53)
FLD 9 (79) ----------- 1G (54)
FLD10 (78) ---------- P1 (59)
FLD11 (77) ---------- P2 (60)
FLD12 (76) ---------- P3 (61)
FLD13 (75) ---------- P4 (62)
FLD14 (74) ---------- P5 (63)
FLD15 (73) ---------- P6 (64)
FLD16 (72) ---------- P7 (65)
FLD17 (71) ---------- P8 (66)
Anode (segment) of Fluorescent Display light-up voltage: -30V.
VEE voltage of power source circuit input.
Terminal not used.
LED driving signal.
Signal is applied to the light-emitting diodes (LD1, LD2, LD3, LD5, LD7, LD9 and
LD11).
LED driving signal.
Signal is applied to the light-emitting diodes (LD4, LD6, LD8 and LD10).
Signal coming from tact switch.
A/D converter power source voltage.
The power source voltage to drive the A/D converter in the LSI.
Reference voltage input terminal.
A reference voltage applied to the A/D converter in the LSI. Connected to
GND.(0V)
25
Description
ON
ON
Signal
Segment
(Pin No.)
(Pin No.)
FLD 18 (70) ------------- P9 (67)
FLD 19 (69) ----------- P10 (68)
FLD 20 (68) ----------- P11 (69)
FLD 21 (67) ----------- P12 (70)
FLD 22 (66) ----------- P13 (71)
FLD 23 (65) ----------- P14 (72)
FLD 24 (64) ------------- P42 (7)
FLD 25 (63) ------------- P41 (8)
FLD 26 (62) ------------- P40 (9)
FLD 27 (61) ----------- P39 (10)
FLD 28 (60) ----------- P38 (11)
FLD 29 (59) ----------- P37 (12)
FLD 30 (58) ----------- P36 (13)
FLD 31 (57) ----------- P35 (14)
FLD 32 (56) ----------- P34 (15)
FLD 33 (55) ----------- P33 (16)
FLD 34 (54) ----------- P32 (17)
FLD 35 (53) ----------- P31 (18)
R-90GCH
H.
GND
OFF
During
cooking
L
H : GND
OFF
L
H.
GND
During
OFF
cooking
(Convection)
ON
L
H : GND
L (-5V)
20 msec.
Signal
Segment
(Pin No.)
(Pin No.)
FLD 36 (52) ------------- P30 (19)
FLD 37 (51) ------------- P29 (20)
FLD 38 (50) ------------- P28 (21)
FLD 39 (49) ------------- P27 (22)
FLD 40 (48) ------------- P26 (23)
FLD 41 (47) ------------- P25 (24)
FLD 42 (46) ------------- P24 (25)
FLD 43 (45) ------------- P23 (26)
FLD 44 (44) ------------- P22 (27)
FLD 45 (43) ------------- P21 (28)
FLD 46 (42) ------------- P20 (29)
FLD 47 (41) ------------- P19 (30)
FLD 48 (40) ------------- P18 (31)
FLD 49 (39) ------------- P17 (32)
FLD 50 (38) ------------- P16 (33)
FLD 51 (37) ------------- P15 (34)
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