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Description
25-DSub
36-Cen

Strobe
1
1

Data Bit 0
2
2

Data Bit 1
3
3

Data Bit 2
4
4

Data Bit 3
5
5

Data Bit 4
6
6

Data Bit 5
7
7

Data Bit 6
8
8

Data Bit 7
9
9

Acknowledge
10
10

Busy
11
11

Paper Out
12
12

Select
13
13

Autofeed
14
14

Error
15
32

Reset
16
31

Select
17
36

Signal Ground
18
33

Signal Ground
19
19,20

Signal Ground
20
21,22

Signal Ground
21
23,24

Signal Ground
22
25,26

Signal Ground
23
27

Signal Ground
24
28,29

Signal Ground
25
30,16

Shield
Shield
Shield+17

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80C31/80C51 - 80C515/80C535 - 80C517/80C537
source : Batronix

Filed under: Datasheets, Downloads, Electronics, Microcontroller | No Comments »

All instructions of the mcs-51 microcontroller are shown on 79 pages.
For example the instruction JB bit,rel:

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AT89C1051 - AT89C2051 - AT89C4051 - AT89C51 - AT89C52 - AT89C55 - AT89C55CWD - AT89S8252 - AT89S53
Source : Batronix

Filed under: Datasheets, Downloads, Electronics, Microcontroller | 1 Comment »