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參數(shù)資料
| 型號： | MSM81C55-5GS-2K |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 22 I/O, PIA-GENERAL PURPOSE, PQFP44 |
| 封裝： | 0.80 MM PITCH, PLASTIC, QFP-44 |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 147K |
| 代理商： | MSM81C55-5GS-2K |
2/19
Semiconductor
MSM81C55-5RS/GS/JS
PIN CONFIGURATION (TOP VIEW)
40 pin Plastic DIP
44 pin Plastic QFP
16
15
14
13
PC3
TIMER IN
RESET
TIMER OUT
IO/M
CE
RD
WR
ALE
20
19
18
17
GND
PC2
PC1
PC0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
PA7
PA6
PA5
PA4
1
2
3
4
5
6
7
8
9
10
11
12
32
31
30
29
28
27
26
37
38
39
40
36
35
34
33
25
PA3
PA2
PA1
PA0
24
23
22
21
VCC
AD7
AD6
AD5
PC4
PC5
AD4
AD3
AD2
AD1
AD0
39
38
37
36
35
34
33
PB6
PB5
PB4
PB3
PB2
NC
PB1
TIMER OUT
IO/M
CE
RD
WR
NC
ALE
18
19
20
21
22
23
24
AD
4
NC
AD
5
AD
6
AD
7
GND
PA
0
6
5
4
3
2
1
44
PC
5
RESET
TIMER
IN
PC
4
PC
3
NC
7
8
9
10
11
12
13
32
31
30
29
PB0
PA7
PA6
AD0
AD1
AD2
AD3
14
15
16
17
PA5
V
CC
25
26
27
28
PA
1
PA
2
PA
3
PA
4
43
42
41
40
PC
2
PC
1
PC
0
PB
7
44 pin Plastic QFJ
33
32
31
30
29
28
27
PB6
PB5
PB4
PB3
PB2
PB1
PB0
TIMEROUT
IO/M
CE
RD
WR
ALE
AD0
12
13
14
15
16
17
18
AD
4
AD
5
AD
6
AD
7
GND
V
CC
PA
0
44
43
42
41
40
39
38
PC
5
RESET
TIMER
IN
PC
4
PC
3
V
CC
1
2
3
4
5
6
7
26
25
24
23
PA7
PA6
PA5
AD1
AD2
AD3
NC
8
9
10
11
PA4
NC
19
20
21
22
PA
1
PA
2
PA
3
NC
37
36
35
34
PC
2
PC
1
PC
0
PB
7
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相關(guān)代理商/技術(shù)參數(shù) |
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| MSM82C37B-5RS | 制造商:OK International 功能描述:4 CHANNEL(S), 5 MHz, DMA CONTROLLER, PDIP40 |
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