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Pinouts - 8051 family
8051 microcontroller - DIP 40 package
Manufacturers: AMD, Intel, Siemens, Signetics
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| P1.0 |  |
1 |  |
40 |  |
VCC | ||
| P1.1 | |
2 | 39 | |
P0.0/AD0 | |||
| P1.2 | |
3 | 38 | |
P0.1/AD1 | |||
| P1.3 | |
4 | 37 | |
P0.2/AD2 | |||
| P1.4 | |
5 | 36 | |
P0.3/AD3 | |||
| P1.5 | |
6 | 35 | |
P0.4/AD4 | |||
| P1.6 | |
7 | 34 | |
P0.5/AD5 | |||
| P1.7 | |
8 | 33 | |
P0.6/AD6 | |||
| RST/VPD | |
9 | 32 | |
P0.7/AD7 | |||
| RxD/P3.0 | |
10 | 31 | |
EA | |||
| TxD/P3.1 | |
11 | 30 | |
ALE | |||
| INT0/P3.2 | |
12 | 29 | |
PSEN | |||
| INT1/P3.3 | |
13 | 28 | |
P2.7/A15 | |||
| T0/P3.4 | |
14 | 27 | |
P2.6/A14 | |||
| T1/P3.5 | |
15 | 26 | |
P2.5/A13 | |||
| WR/P3.6 | |
16 | 25 | |
P2.4/A12 | |||
| RD/P3.7 | |
17 | 24 | |
P2.3/A11 | |||
| XTAL2 | |
18 | 23 | |
P2.2/A10 | |||
| XTAL1 | |
19 | 22 | |
P2.1/A9 | |||
| VSS | |
20 | 21 | |
P2.0/A8 | |||
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80C51 microcontroller - DIP 40 package
Manufacturers: Intel, Siemens
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| P1.0 | |
1 | |
40 | |
VCC | ||
| P1.1 | |
2 | 39 | |
P0.0/AD0 | |||
| P1.2 | |
3 | 38 | |
P0.1/AD1 | |||
| P1.3 | |
4 | 37 | |
P0.2/AD2 | |||
| P1.4 | |
5 | 36 | |
P0.3/AD3 | |||
| P1.5 | |
6 | 35 | |
P0.4/AD4 | |||
| P1.6 | |
7 | 34 | |
P0.5/AD5 | |||
| P1.7 | |
8 | 33 | |
P0.6/AD6 | |||
| RST | |
9 | 32 | |
P0.7/AD7 | |||
| RxD/P3.0 | |
10 | 31 | |
EA | |||
| TxD/P3.1 | |
11 | 30 | |
ALE | |||
| INT0/P3.2 | |
12 | 29 | |
PSEN | |||
| INT1/P3.3 | |
13 | 28 | |
P2.7/A15 | |||
| T0/P3.4 | |
14 | 27 | |
P2.6/A14 | |||
| T1/P3.5 | |
15 | 26 | |
P2.5/A13 | |||
| WR/P3.6 | |
16 | 25 | |
P2.4/A12 | |||
| RD/P3.7 | |
17 | 24 | |
P2.3/A11 | |||
| XTAL2 | |
18 | 23 | |
P2.2/A10 | |||
| XTAL1 | |
19 | 22 | |
P2.1/A9 | |||
| VSS | |
20 | 21 | |
P2.0/A8 | |||
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