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AH-N45DP2
AU-N45DP2
AH-N56DP2
AU-N56DP2
Microcomputer (IC1)
IC1 is a CMOS, one chip, 8-bit microcomputer.
Microcomputer port allocation is as follows.
Pin Terminal Input
No. Name Output Function
1 P45 IN –
2 P46 IN HOOT KEEP
3 P47 IN SWEET
4 AN0 IN ROOM TEMP.
5 AN1 IN PIPE TEMP.
6 AN2 IN CT
7 AN3 IN CLUSTER SENS.
8 AN4 IN MODEL
9 AN5 IN LOUVER SET
10 AN6 IN FAN SET COOL
11 AN7 IN FAN SET HEAT
12 AVCC IN 5V
13 AVR IN 5V
14 AVSS IN 0V
15 R60 IN WIRELESS SIGNAL
16 R61 IN AC CLOCK
17 R62 IN SW1
18 R63 IN WIRELESS HEDDER
19 R64 IN POWER ON
20 RST IN RESET SUGNAL
21 MOD0 IN 0V
22 MOD1 IN 0V
23 X0 IN OSILLATION
24 X1 IN OSILLATION
25 VSS IN 0V
26 P27 IN –
27 P26 OUT FAN MOTOR A CONTROL
28 P25 OUT
OUTDOOR FAN M. CONTROL
29 P24 OUT VALVE CONTROL
30 P23 OUT COMPRESSOR CONTROL
31 P22 OUT BUZZER
32 P21 OUT
CLUSTER GENERATOR CONTROL
Pin Terminal Input
No. Name Output Function
33 P20 IN CLEANING SW1
34 P17 OUT LOUVER MOTOR
35 P16 OUT LOUVER MOTOR
36 P15 OUT LOUVER MOTOR
37 P14 OUT LOUVER MOTOR
38 P13 NC –
39 P12 NC –
40 P11 NC –
41 P10 NC –
42 P07 OUT LED 107 (GREEN)
43 P06 OUT LED 107 (BLUE)
44 P05 OUT LED 101
45 P04 OUT LED 102
46 P03 OUT LED 103
47 P02 OUT LED 104
48 P01 OUT LED 105
49 P00 OUT LED 106
50 N5 NC –
51 P30 OUT
CLUSTER POLARITY CONTROL
52 P31 IN DEICE 2
53 P32 IN DRY FAN
54 P33 IN PIPE 1
55 P34 IN PIPE 2
56 P35 IN INDOOR FAN MOTOR R.P.M.
57 VCC IN 5V
58 P36 IN CLUSTER SET
59 P37 IN –
60 P40 IN TEST
61 P41 IN DEICE 1
62 P42 IN/OUT EEPROM
63 P43 IN/OUT EEPROM
64 P44 IN OUT FAN
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