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EXPLANATION OF MICROCOMPUTER
IC801 (HD6417706)1/3
Pin Signal I/O Function
1 LLVcc PWR +1.9V
2 XTAL2 O NC
3 EXTAL2 I Pull-up
4 GND PWR 0V
5 SD31
10 SD26
11 GND PWR 0V
12 SD25 I/O
13 LVcc PWR +3.3V
14 SD24
18 SD20
19 GND PWR 0V
20 SD19 I/O
21 LLVcc PWR +1.9V
22 SD18
24 SD16
25 GND PWR 0V
26 SD15 I/O
27 LVcc PWR +3.3V
28 SD14
36 SD6
37 GND PWR 0V
38 SD5 I/O
39 LVcc PWR +3.3V
40 SD4
44 SD0
45 SA0
48 SA3
49 GND PWR 0V
50 SA4 O
51 LVcc PWR +3.3V
52 SA5
60 SA13
61 GND PWR 0V
62 SA14 O
63 LVcc PWR +3.3V
64 SA15
70 SA21
71 GND PWR 0V
72 SA22 O
73 LVcc PWR +3.3V
74 SA23
76 SA25
I/O Data bus
Data bus
Data bus
Data bus
Data bus
Data bus
Data bus
Data bus
Data bus
Address bus
Address bus
Address bus
Address bus
Address bus
Address bus
Address bus
I/O
I/O
I/O
I/O
O
O
O
O