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參數(shù)資料
| 型號： | M37481M8T-154SP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機 |
| 文件頁數(shù)： | 47/97頁 |
| 文件大小： | 1076K |
| 代理商： | M37481M8T-154SP |
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47
MITSUBISHI MICROCOMPUTERS
7480/7481 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
EPROM MODE
The built-in programmable ROM has the EPROM mode in addition
to its normal operation modes. When the RESET level becomes
“L”, the chip automatically enters the EPROM mode. Table 6
shows a list of correspondence between pins and Figure 50 to Fig-
ure 52 show pin connection diagrams. In this status, each of ports
P0, P1
1
to P1
7
, P2
0
to P2
3
, P3, P4
0
, P4
1
and V
REF
are used for
the PROM (equivalent to M5M27C256K). In this mode, the built-in
PROM can be written to or read from using these pins in the same
way as with the M5M27C256K. The clock should be connected to
X
IN
and X
OUT
pins.
Table 6. Correspondence between pins in EPROM mode
M37480E8, M37481E8
V
CC
P3
3
V
SS
Ports
P1
1
– P1
7
,
P2
0
– P2
3
, P3
0
,
P3
1
, P4
0
, P4
1
Port P0
V
REF
P3
2
V
CC
V
PP
V
SS
Address input
Da__
__
OE
M5M27C256K
V
CC
V
PP
V
SS
A
0
– A
14
D
0
7
– D
__
OE
Fig. 50 Pin connection in EPROM mode (1)
Outline 42P4B
42S1B-A (M37481E8SS)
A
10
A
9
A
8
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
V
SS
CE
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
A
14
A
13
V
PP
A
12
A
11
V
CC
OE
V
SS
: PROM pin (equivalent to M5M27C256K)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
28
29
30
31
32
M
M
M
P1
7
/S
RDY
P1
6
/S
CLK
P1
5
/T
X
D
P1
4
/R
X
D
P1
3
/T
1
P1
2
/T
0
P1
1
P1
0
P2
3
/IN
3
P2
2
/IN
2
P2
1
/IN
1
P2
0
/IN
0
V
REF
X
IN
X
OUT
V
SS
P0
7
P0
6
P0
5
P0
4
P0
3
P0
2
P0
1
P0
0
P4
3
P4
2
P4
1
/CNTR
1
P4
0
/CNTR
0
P3
3
P3
2
P3
1
/INT
1
P3
0
/INT
0
RESET
P5
1
P5
0
V
CC
17
26
25
24
23
22
18
19
20
21
27
33
35
36
37
38
39
40
41
42
34
P5
3
P2
7
/IN
7
P2
6
/IN
6
P2
5
/IN
5
P2
4
/IN
4
P5
2
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| M37481M8T-297FP | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37480E8SP | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37481E8SP | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37481E8SS | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37481M8T-297FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37481M8T-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37481M8T-XXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37481M8-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37481M8-XXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
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