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P80C851FBB Datasheet(PDF) 4 Page - NXP Semiconductors |
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P80C851FBB Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 22 page Philips Semiconductors Product specification 80C851/83C851 CMOS single-chip 8-bit microcontroller with on-chip EEPROM 1998 Jul 03 4 PIN CONFIGURATIONS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 RST RxD/P3.0 TxD/P3.1 INT0/P3.2 INT1/P3.3 T0/P3.4 T1/P3.5 P1.7 WR/P3.6 RD/P3.7 XTAL2 XTAL1 VSS P2.0/A8 P2.1/A9 P2.2/A10 P2.3/A11 P2.4/A12 P2.5/A13 P2.6/A14 P2.7/A15 PSEN ALE EA P0.7/AD7 P0.6/AD6 P0.5/AD5 P0.4/AD4 P0.3/AD3 P0.2/AD2 P0.1/AD1 P0.0/AD0 VDD DUAL IN-LINE PACKAGE PLASTIC LEADED CHIP CARRIER 6140 7 17 39 29 18 28 PLASTIC QUAD FLAT PACK 44 34 1 11 33 23 12 22 PLASTIC LEADED CHIP CARRIER PIN FUNCTIONS PLCC 6140 7 17 39 29 18 28 Pin Function Pin Function 1 NC* 23 NC* 2 P1.0 24 P2.0/A8 3 P1.1 25 P2.1/A9 4 P1.2 26 P2.2/A10 5 P1.3 27 P2.3/A11 6 P1.4 28 P2.4/A12 7 P1.5 29 P2.5/A13 8 P1.6 30 P2.6/A14 9 P1.7 31 P2.7/A15 10 RST 32 PSEN 11 P3.0/RxD 33 ALE 12 NC* 34 NC* 13 P3.1/TxD 35 EA 14 P3.2/INT0 36 P0.7/AD7 15 P3.3/INT1 37 P0.6/AD6 16 P3.4/T0 38 P0.5/AD5 17 P3.5/T1 39 P0.4/AD4 18 P3.6/WR 40 P0.3/AD3 19 P3.7/RD 41 P0.2/AD2 20 XTAL2 42 P0.1/AD1 21 XTAL1 43 P0.0/AD0 22 VSS 44 VDD * NO INTERNAL CONNECTION PLASTIC QUAD FLAT PACK PIN FUNCTIONS PQFP 44 34 1 11 33 23 12 22 Pin Function Pin Function 1 P1.5 23 P2.5/A13 2 P1.6 24 P2.6/A14 3 P1.7 25 P2.7/A15 4 RST 26 PSEN 5 P3.0/RxD 27 ALE 6 NC* 28 NC* 7 P3.1/TxD 29 EA 8 P3.2/INT0 30 P0.7/AD7 9 P3.3/INT1 31 P0.6/AD6 10 P3.4/T0 32 P0.5/AD5 11 P3.5/T1 33 P0.4/AD4 12 P3.6/WR 34 P0.3/AD3 13 P3.7RD 35 P0.2/AD2 14 XTAL2 36 P0.1/AD1 15 XTAL1 37 P0.0/AD0 16 VSS 38 VDD 17 NC* 39 VSS 18 P2.0/A8 40 P1.0 19 P2.1/A9 41 P1.1 20 P2.2/A10 42 P1.2 21 P2.3/A11 43 P1.3 22 P2.4/A12 44 P1.4 * NO INTERNAL CONNECTION |
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