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Pinouts - 8049 family
8049 (MCS-48) microcontroller - DIP 40 package
Manufacturers: Intel, National Semiconductor, NEC, Toshiba
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| T0 |  |
1 |  |
40 |  |
VCC | ||
| XTAL1 | |
2 | 39 | |
T1 | |||
| XTAL2 | |
3 | 38 | |
P27 | |||
| Reset | |
4 | 37 | |
P26 | |||
| SS | |
5 | 36 | |
P25 | |||
| INT | |
6 | 35 | |
P24 | |||
| EA | |
7 | 34 | |
P17 | |||
| RD | |
8 | 33 | |
P16 | |||
| PSEN | |
9 | 32 | |
P15 | |||
| WR | |
10 | 31 | |
P14 | |||
| ALE | |
11 | 30 | |
P13 | |||
| DB0 | |
12 | 29 | |
P12 | |||
| DB1 | |
13 | 28 | |
P11 | |||
| DB2 | |
14 | 27 | |
P10 | |||
| DB3 | |
15 | 26 | |
VDD | |||
| DB4 | |
16 | 25 | |
PROG | |||
| DB5 | |
17 | 24 | |
P23 | |||
| DB6 | |
18 | 23 | |
P22 | |||
| DB7 | |
19 | 22 | |
P21 | |||
| VSS | |
20 | 21 | |
P20 | |||
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* NEC datasheet shows PROG as an inverted output
80C49 microcontroller - DIP 40 package
Manufacturers: NEC, Toshiba
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| T0 | |
1 | |
40 | |
VDD | ||
| XTAL1 | |
2 | 39 | |
T1 | |||
| XTAL2 | |
3 | 38 | |
P27 | |||
| Reset | |
4 | 37 | |
P26 | |||
| SS | |
5 | 36 | |
P25 | |||
| INT | |
6 | 35 | |
P24 | |||
| EA | |
7 | 34 | |
P17 | |||
| RD | |
8 | 33 | |
P16 | |||
| PSEN | |
9 | 32 | |
P15 | |||
| WR | |
10 | 31 | |
P14 | |||
| ALE | |
11 | 30 | |
P13 | |||
| DB0 | |
12 | 29 | |
P12 | |||
| DB1 | |
13 | 28 | |
P11 | |||
| DB2 | |
14 | 27 | |
P10 | |||
| DB3 | |
15 | 26 | |
STOP | |||
| DB4 | |
16 | 25 | |
PROG | |||
| DB5 | |
17 | 24 | |
P23 | |||
| DB6 | |
18 | 23 | |
P22 | |||
| DB7 | |
19 | 22 | |
P21 | |||
| VSS | |
20 | 21 | |
P20 | |||
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