Sharp AY-M09AE - Page 12

12
AY-M09AE
AE-M18AE
Pin Terminal Input
No. Name Output Function
33 P56 OUT –
34 P57 OUT –
35 P60 IN Serial signal input(A1)
36 P61 OUT Serial signal output(A1)
37 P62 IN Serial signal input(A2)
38 P63 OUT Serial signal output(A2)
39 P64 OUT –
40 P65 OUT –
41 P66 OUT –
42 P67 OUT –
43 RESET – Microcomputer reset input
44 P00 IN GND
45 P01 OUT –
46 P02 OUT –
47 P03 OUT –
48 VDD – Power supply(5V)
49 X2 – Internal oscillation
50 X1 – Internal oscillation
51 IC – GND
52 XT2 – –
53 P04 IN GND
54 AVSS – GND
55 ANI0 IN Pipe temp. thermistor(A1)
56 ANI1 IN Pipe temp. thermistor(A2)
57 ANI2 IN GND
58 ANI3 IN Current(A1)
59 ANI4 IN Current(A2)
60 ANI5 IN Revised resistance(A1)
61 ANI6 IN Revised resistance(A2)
62 ANI7 IN GND
63 AVSS – 5V
64 AVREF – 5V
Microcomputer (IC1) for OUTDOOR UNIT
The microcomputer is a CMOS, one chip, 8-bit microcomputer.
Microcomputer port allocation is as follows.
Pin Terminal Input
No. Name Output Function
1 P20 OUT Compressor relay (A1)
2 P21 OUT Compressor relay (A2)
3 P22 OUT Outdoor motor fan relay
4 P23 OUT –
5 P24 OUT –
6 P25 OUT Valve coil
7 P26 OUT –
8 P27 OUT –
9 P30 OUT –
10 P31 OUT –
11 P32 OUT –
12 P33 IN –
13 P34 IN Test1 input
14 P35 OUT –
15 BUZ OUT –
16 P37 OUT –
17 VSS – Power supply(0V)
18 P40 OUT –
19 P41 OUT –
20 P42 OUT –
21 P43 OUT –
22 P44 OUT –
23 P45 OUT –
24 P46 OUT –
25 P47 OUT –
26 P50 OUT –
27 P51 OUT –
28 P52 OUT –
29 P53 OUT LED(error)
30 P54 OUT LED(serial A2)
31 P55 OUT LED(serial A1)
32 VSS – Power supply(0V)