Atmel AT89C52 Microcontroller
Microcontroller

Atmel AT89C52 Microcontroller

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SKU: TMD5,Th2,KRT

Rs.350 Rs. 438

AT89C52 is an 8-bit microcontroller and belongs to Atmel’s 8051 families. AT89C52 has 8KB of Flash programmable and erasable read-only memory (PEROM) and 256 bytes of RAM. AT89C52 has an endurance of 1000 Write/Erase cycles which means that it can be erased and programmed to a maximum of 1000 times.

Specifications of Atmel AT89C52 Microcontroller:

Pin No

Function

Name

1

External count input to Timer/Counter 2, clock-out

T2

P1.0

2

Timer/Counter 2 capture/reload trigger and direction control

T2 EX

P1.1

3

8 bit input/output port (P1) pins

P1.2

4

P1.3

5

P1.4

6

P1.5

7

P1.6

8

P1.7

9

Reset pin; Active high

Reset

10

Input (receiver) for serial communication

RxD

8 bit input/output port (P3) pins

P3.0

11

Output (transmitter) for serial communication

TxD

P3.1

12

External interrupt 1

Int0

P3.2

13

External interrupt 2

Int1

P3.3

14

Timer1 external input

T0

P3.4

15

Timer2 external input

T1

P3.5

16

Write to external data memory

Write

P3.6

17

Read from external data memory

Read

P3.7

18

Quartz crystal oscillator (up to 24 MHz)

Crystal 2

19

Crystal 1

20

Ground (0V)

Ground

21

8 bit input/output port (P2) pins

/

High-order address bits when interfacing with external memory

P2.0/ A8

22

P2.1/ A9

23

P2.2/ A10

24

P2.3/ A11

25

P2.4/ A12

26

P2.5/ A13

27

P2.6/ A14

28

P2.7/ A15

29

Program store enable; Read from external program memory

PSEN

30

Address Latch Enable

ALE

Program pulse input during Flash programming

Prog

31

External Access Enable;  Vcc for internal program executions

EA

Programming enable voltage; 12V (during Flash programming)

Vpp

32

8 bit input/output port (P0) pins

Low-order address bits when interfacing with external memory

P0.7/ AD7

33

P0.6/ AD6

34

P0.5/ AD5

35

P0.4/ AD4

36

P0.3/ AD3

37

P0.2/ AD2

38

P0.1/ AD1

39

P0.0/ AD0

40

Supply voltage; 5V (up to 6.6V)

Vcc

Package Includes:

1 x Atmel AT89C52 Microcontroller

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shoaib - March 26, 2021

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