AT80F52 datasheet pdf

Memory AT 8 0 F 5 2 PDIP (T2) P1.0VCC (T2 EX) P1.1 P0.0 (AD0) P1.2 (INT0) P3.2 ALE (RD) P3.7P2.3 (A11) (TXD) P3.1 EA (WR) P3.6 P2.4 (A12) (RXD) P3.0 P0.7 (AD7) (T1) P3.5 P2.6 (A14) RST P0.6 (AD6) P0.5 (AD5) P0.4 (AD4) P0.3 (AD3) P0.2 (AD2) P1.3 P0.1 (AD1) (INT1) P3.3 PSEN XTAL2P2.2 (A10) (T0) P3.4 P2.7 (A15) XTAL1P2.1 (A9) GNDP2.0 (A8) P2.5 (A13) 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 21 22 23 24 25 26 40 39 38 37 36 35 34 33 32 31 30 29 28 27 P1.4 P1.5 P1.6 P1.7 Pin Configurations TQFP 23 1 INDEX CORNER 34 P1.0 (T2)VCCP1.1 (T2 EX) P1.2 P1.3 NC 42 43 40 41 6 5 4 44 3 2 26 25 28 27 24 18 19 20 21 22 NC 7 8 9 10 11 12 13 14 15 16 17 29 30 39 38 37 36 35 33 32 31 NC PSEN XTAL1 GND XTAL2 GND P0.0 (AD0) ALE (RD) P3.7 EA (WR) P3.6 (RXD) P3.0 P0.7 (AD7) P2.6 (A14) P0.6 (AD6) P0.5 (AD5) P0.4 (AD4) P0.3 (AD3) P0.2 (AD2) P0.1 (AD1) (INT0) P3.2 (TXD) P3.1 (T1) P3.5 (INT1) P3.3 (T0) P3.4 P2.7 (A15) (A11) P2.3 (A12) P2.4 (A10) P2.2 (A9) P2.1 (A8) P2.0 RST P2.5 (A13) P1.4 P1.5 P1.6 P1.7 (continued)

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