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零件编号
产品描述 (功能)
AT89LS51 查看數據表(PDF) - Atmel Corporation
零件编号
产品描述 (功能)
生产厂家
AT89LS51
8-bit Low-Voltage Microcontroller with 4K Bytes In-System Programmable Flash
Atmel Corporation
AT89LS51 Datasheet PDF : 32 Pages
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2. Pin Configurations
2.1
40-lead PDIP
P1.0 1
P1.1 2
P1.2 3
P1.3 4
P1.4 5
(MOSI) P1.5 6
(MISO) P1.6 7
(SCK) 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)
2.3 44-lead PLCC
(MOSI) P1.5 7
(MISO) P1.6 8
(SCK) 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)
2.2 44-lead TQFP
(MOSI) P1.5 1
(MISO) P1.6 2
(SCK) 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)
2.4 42-lead PDIP
R
S
T 1
(RXD) P
3
.0 2
(TXD) P
3
.1
3
(INT0) P
3
.2 4
(INT1) P
3
.
3
5
(T0) P
3
.4 6
(T1) P
3
.5 7
(WR) P
3
.6
8
(RD) P
3
.7 9
XTAL2 10
XTAL1 11
GND 12
PWRGND 1
3
(A
8
) P2.0 14
(A9) P2.1 15
(A10) P2.2 16
(A11) P2.
3
17
(A12) P2.4 1
8
(A1
3
) P2.5 19
(A14) P2.6 20
(A15) P2.7 21
42 P1.7 (
S
CK)
41 P1.6 (MI
S
O)
40 P1.5 (MO
S
I)
3
9 P1.4
38
P1.
3
3
7 P1.2
3
6 P1.1
3
5 P1.0
3
4 VDD
33
PWRVDD
3
2 P0.0 (AD0)
3
1 P0.1 (AD1)
3
0 P0.2 (AD2)
29 P0.
3
(AD
3
)
2
8
P0.4 (AD4)
27 P0.5 (AD5)
26 P0.6 (AD6)
25 P0.7 (AD7)
24 EA/VPP
2
3
ALE/PROG
22 P
S
EN
2
AT89LS51
3053B–MICRO–3/05
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