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W78E51B-40 Datasheet(PDF) 2 Page - Winbond |
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W78E51B-40 Datasheet(HTML) 2 Page - Winbond |
2 / 23 page Preliminary W78E51B - 2 - PIN CONFIGURATIONS VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 39 40 34 35 36 37 38 30 31 32 33 26 27 28 29 21 22 23 24 25 P0.0, AD0 P0.1, AD1 P0.2, AD2 P0.3, AD3 P0.4, AD4 P0.5, AD5 P0.6, AD6 P0.7, AD7 EA ALE PSEN P2.5, A13 P2.6, A14 P2.7, A15 P2.0, A8 P2.1, A9 P2.2, A10 P2.3, A11 P2.4, A12 P1.0 40-Pin DIP (W78E51B) P1.2 P1.3 P1.4 P1.5 P1.6 RXD, P3.0 TXD, P3.1 P1.7 RST INT0, P3.2 INT1, P3.3 T0, P3.4 T1, P3.5 WR, P3.6 RD, P3.7 XTAL1 XTAL2 VSS P1.1 44-Pin PLCC (W78E51BP) 44-Pin QFP (W78E51BF) 34 40 39 38 37 36 35 44 43 42 41 33 32 31 30 29 28 27 26 25 24 23 P0.4, AD4 P0.5, AD5 P0.6, AD6 P0.7, AD7 EA ALE PSEN P2.7, A15 P2.6, A14 P2.5, A13 22 21 20 19 18 17 16 15 14 13 12 11 4 3 2 1 8 7 6 5 10 9 P1.5 P1.6 P1.7 RST RXD, P3.0 TXD, P3.1 INT0, P3.2 INT1, P3.3 T0, P3.4 T1, P3.5 X T A L 1 V S S P 2 . 4 , A 1 2 P 2 . 3 , A 1 1 P 2 . 2 , A 1 0 P 2 . 1 , A 9 P 2 . 0 , A 8 X T A L 2 P 3 . 7 , / R D P 3 . 6 , / W R A D 3 , P 0 . 3 P 1 . 0 P 1 . 2 V D D A D 2 , P 0 . 2 A D 1 , P 0 . 1 A D 0 , P 0 . 0 P 1 . 1 P 1 . 3 P 1 . 4 40 2 1 44 43 42 41 6 5 4 3 39 38 37 36 35 34 33 32 31 30 29 P0.4, AD4 P0.5, AD5 P0.6, AD6 P0.7, AD7 EA ALE PSEN P2.7, A15 P2.6, A14 P2.5, A13 28 27 26 25 24 23 22 21 20 19 18 17 10 9 8 7 14 13 12 11 16 15 P1.5 P1.6 P1.7 RST RXD, P3.0 TXD, P3.1 INT0, P3.2 INT1, P3.3 T0, P3.4 T1, P3.5 A D 3 , P 0 . 3 P 1 . 0 P 1 . 2 V A D 2 , P 0 . 2 A D 1 , P 0 . 1 A D 0 , P 0 . 0 P 1 . 1 P 1 . 3 P 1 . 4 X T A L 1 V S S P 2 . 4 , A 1 2 P 2 . 3 , A 1 1 P 2 . 2 , A 1 0 P 2 . 1 , A 9 P 2 . 0 , A 8 X T A L 2 P 3 . 7 , / R D P 3 . 6 , / W R P 4 . 0 / I N T 3 , P 4 . 2 P4.1 P4.1 P 4 . 0 INT2, P4.3 INT2, P4.3 / I N T 3 , P 4 . 2 D D |
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