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零件编号
产品描述 (功能)
AT89C55WD-33JC(2002) 查看數據表(PDF) - Atmel Corporation
零件编号
产品描述 (功能)
生产厂家
AT89C55WD-33JC
(Rev.:2002)
8-bit Microcontroller with 20K Bytes Flash
Atmel Corporation
AT89C55WD-33JC Datasheet PDF : 37 Pages
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Pin Configurations
2
AT89C55WD
TQFP
P1.5 1
P1.6 2
P1.7 3
RST 4
(RXD) P3.0 5
NC 6
(TXD) P3.1 7
(INT0) P3.2 8
(INT1) P3.3 9
(T0) P3.4 10
(T1) P3.5 11
33 P0.4 (AD4)
32 P0.5 (AD5)
31 P0.6 (AD6)
30 P0.7 (AD7)
29 EA/VPP
28 NC
27 ALE/PROG
26 PSEN
25 P2.7 (A15)
24 P2.6 (A14)
23 P2.5 (A13)
PDIP
(T2) P1.0 1
(T2EX) P1.1 2
P1.2 3
P1.3 4
P1.4 5
P1.5 6
P1.6 7
P1.7 8
RST 9
(RXD) P3.0 10
(TXD) P3.1 11
(INT0) P3.2 12
(INT1) P3.3 13
(T0) P3.4 14
(T1) P3.5 15
(WR) P3.6 16
(RD) P3.7 17
XTAL2 18
XTAL1 19
GND 20
40 VCC
39 P0.0 (AD0)
38 P0.1 (AD1)
37 P0.2 (AD2)
36 P0.3 (AD3)
35 P0.4 (AD4)
34 P0.5 (AD5)
33 P0.6 (AD6)
32 P0.7 (AD7)
31 EA/VPP
30 ALE/PROG
29 PSEN
28 P2.7 (A15)
27 P2.6 (A14)
26 P2.5 (A13)
25 P2.4 (A12)
24 P2.3 (A11)
23 P2.2 (A10)
22 P2.1 (A9)
21 P2.0 (A8)
PLCC
P1.5 7
P1.6 8
P1.7 9
RST 10
(RXD) P3.0 11
NC 12
(TXD) P3.1 13
(INT0) P3.2 14
(INT1) P3.3 15
(T0) P3.4 16
(T1) P3.5 17
39 P0.4 (AD4)
38 P0.5 (AD5)
37 P0.6 (AD6)
36 P0.7 (AD7)
35 EA/VPP
34 NC
33 ALE/PROG
32 PSEN
31 P2.7 (A15)
30 P2.6 (A14)
29 P2.5 (A13)
1921B–MICRO–09/02
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