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8751, AM9761 microcontroller - DIP 40 package
Manufacturers: AMD, Intel
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P1.0 |
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1 |
 |
40 |
 |
VCC |
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P1.1 |
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2 |
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39 |
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P0.0/AD0 |
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P1.2 |
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3 |
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38 |
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P0.1/AD1 |
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P1.3 |
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4 |
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37 |
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P0.2/AD2 |
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P1.4 |
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5 |
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36 |
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P0.3/AD3 |
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P1.5 |
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6 |
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35 |
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P0.4/AD4 |
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P1.6 |
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7 |
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34 |
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P0.5/AD5 |
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P1.7 |
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8 |
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33 |
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P0.6/AD6 |
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RST/VPD |
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9 |
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32 |
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P0.7/AD7 |
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RxD/P3.0 |
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10 |
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31 |
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EA/VPP |
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TxD/P3.1 |
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11 |
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30 |
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ALE/PROG |
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INT0/P3.2 |
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12 |
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29 |
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PSEN |
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INT1/P3.3 |
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13 |
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28 |
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P2.7/A15 |
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T0/P3.4 |
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14 |
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27 |
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P2.6/A14 |
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T1/P3.5 |
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15 |
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26 |
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P2.5/A13 |
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WR/P3.6 |
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16 |
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25 |
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P2.4/A12 |
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RD/P3.7 |
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17 |
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24 |
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P2.3/A11 |
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XTAL2 |
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18 |
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23 |
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P2.2/A10 |
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XTAL1 |
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19 |
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22 |
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P2.1/A9 |
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VSS |
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20 |
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21 |
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P2.0/A8 |
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 |
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 |
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87C51 microcontroller - DIP 40 package
Manufacturers: Intel
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T2/P1.0 |
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1 |
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40 |
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VCC |
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T2 EX/P1.1 |
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2 |
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39 |
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P0.0/AD0 |
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ECI/P1.2 |
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3 |
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38 |
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P0.1/AD1 |
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CEX0/P1.3 |
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4 |
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37 |
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P0.2/AD2 |
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CEX1/P1.4 |
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5 |
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36 |
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P0.3/AD3 |
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CEX2/P1.5 |
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6 |
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35 |
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P0.4/AD4 |
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CEX3/P1.6 |
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7 |
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34 |
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P0.5/AD5 |
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CEX4/P1.7 |
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8 |
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33 |
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P0.6/AD6 |
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RST |
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9 |
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32 |
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P0.7/AD7 |
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RxD/P3.0 |
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10 |
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31 |
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EA/VPP |
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TxD/P3.1 |
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11 |
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30 |
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ALE/PROG |
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INT0/P3.2 |
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12 |
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29 |
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PSEN |
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INT1/P3.3 |
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13 |
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28 |
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P2.7/A15 |
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T0/P3.4 |
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14 |
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27 |
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P2.6/A14 |
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T1/P3.5 |
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15 |
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26 |
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P2.5/A13 |
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WR/P3.6 |
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16 |
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25 |
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P2.4/A12 |
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RD/P3.7 |
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17 |
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24 |
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P2.3/A11 |
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XTAL2 |
|
18 |
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23 |
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P2.2/A10 |
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XTAL1 |
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19 |
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22 |
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P2.1/A9 |
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VSS |
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20 |
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21 |
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P2.0/A8 |
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