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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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