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83C453 Datasheet(PDF) 4 Page - NXP Semiconductors |
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83C453 Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 26 page ![]() Philips Semiconductors Preliminary specification 83C453/87C453 80C51 8-bit microcontroller family 8K/256 OTP/ROM, expanded I/O 1998 Apr 23 4 LOGIC SYMBOL ADDRESS AND DATA BUS ADDRESS BUS RxD TxD INT0 INT1 T0 T1 WR RD RST EA/VPP PSEN ALE/PROG VSS VCC XTAL1 XTAL2 PORT 6 CONTROL ODS IDS BFLAG AFLAG SU00085 LCC PIN FUNCTIONS LCC 91 61 10 26 60 44 27 43 Pin Function 1EA/VPP 2 P2.0/A8 3 P2.1/A9 4 P2.2/A10 5 P2.3/A11 6 P2.4/A12 7 P2.5/A13 8 P2.6/A14 9 P2.7/A15 10 P0.7/AD7 11 P0.6/AD6 12 P0.5/AD5 13 P0.4/AD4 14 P0.3/AD3 15 P0.2/AD2 16 P0.1/AD1 17 P0.0/AD0 18 VCC 19 P4.7 20 P4.6 21 P4.5 22 P4.4 23 P4.3 Pin Function 24 P4.2 25 P4.1 26 P4.0 27 P1.0 28 P1.1 29 P1.2 30 P1.3 31 P1.4 32 P1.5 33 P1.6 34 P1.7 35 RST 36 P3.0/RxD 37 P3.1/TxD 38 P3.2/INTO 39 P3.3/INT1 40 P3.4/T0 41 P3.5/T1 42 P3.6/WR 43 P3.7/RD 44 P5.0 45 P5.1 46 P5.2 Pin Function 47 P5.3 48 P5.4 49 P5.5 50 P5.6 51 P5.7 52 XTAL2 53 XTAL1 54 VSS 55 ODS 56 IDS 57 BFLAG 58 AFLAG 59 P6.0 60 P6.1 61 P6.2 62 P6.3 63 P6.4 64 P6.5 65 P6.6 66 P6.7 67 PSEN 68 ALE/PROG SU00157 |
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