參數資料
型號: HD404654S
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機
文件頁數: 87/109頁
文件大小: 430K
代理商: HD404654S
HD404654 Series
87
Pin No.
MCU Mode
PROM Mode
DP-42S
FP-44A
Pin Name
I/O
Pin Name
I/O
29
25
R2
0
R2
1
R2
2
R2
3
R3
0
R3
1
/TOC
R3
2
/TOD
R3
3
R4
0
/EVND
R4
1
/
SCK
1
R4
2
/SI
1
R4
3
/SO
1
SEL
I/O
A
0
A
10
A
11
A
12
A
1
A
2
A
3
A
4
O
0
O
1
O
2
O
3
I
30
26
I/O
I
31
27
I/O
I
32
28
I/O
I
33
29
I/O
I
34
30
I/O
I
35
31
I/O
I
36
32
I/O
I
37
33
I/O
I/O
38
34
I/O
I/O
39
35
I/O
I/O
40
36
I/O
I/O
41
37
I
42
38
V
CC
NC
I
V
CC
22
Note: I/O: Input/output pin, I: Input pin, O: Output pin
44
NC
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