AT89LS52(2001) View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT89LS52
(Rev.:2001)

8-bit Low-Voltage Microcontroller with 8K Bytes In-System Programmable Flash

Atmel Corporation 

Pin Configurations

PDIP

(T2) P1.0 1

(T2 EX) 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)

TQFP

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)

(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 AT89LS52

2601A–12/01

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