參數(shù)資料
型號: HCD40C4344R
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-series microcomputer(4位單片微計算機)
中文描述: 4位HMCS400系列微電腦(4位單片微計算機)
文件頁數(shù): 79/100頁
文件大?。?/td> 610K
代理商: HCD40C4344R
HD404344R Series/HD404394 Series
79
Pin Description in PROM Mode
The HD4074344 and the HD4074394 are PROM versions of a ZTAT
microcomputer. In PROM mode,
the MCU stops operating, thus allowing the user to program the on-chip PROM.
Pin Number
DP-28S/FP-28DA
1
2
3
4
5
6
7
8
9
10
11
MCU Mode
Pin
R1
0
R1
1
R1
2
R1
3
R2
0
R2
1
R2
2
R2
3
OSC
1
OSC
2
GND
NC
R3
0
/AN
0
or V
ref
R3
1
/AN
1
R3
2
/AN
2
R3
3
/AN
3
NC
V
CC
TEST
RESET
R0
0
/
SCK
R0
1
/SI
R0
2
/SO
R0
3
/TOC
D
0
/
INT
0
/EVNB
D
1
D
2
D
3
D
4
/
STOPC
D
5
PROM Mode
Pin
A
5
A
6
A
7
A
8
A
9
A
10
A
11
A
12
OE
FP-30D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
O
I/O
I
I
I
I
I
I
I
I
I
Remarks
GND
12
13
14
15
I/O or V
ref
I/O
I/O
I/O
2
M
0
X
ON
O
0
I
I
I/O
16
17
18
19
20
21
22
23
24
25
26
27
28
Notes: 1. I/O: Input/output pin, I: Input pin, O: Output pin
2. R3
0
/AN
0
is for the HD404344R series and V
ref
for the HD404394 series in MCU mode.
V
CC
V
PP
RESET
O
1
O
2
O
3
O
4
A
0
A
1
A
2
A
3
CE
A
4
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I/O
I/O
I/O
I/O
I
I
I
I
I
I
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