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AT89S52 8 Bit Microcontroller DIP Mount

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Product Overview

The AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller with 8K Bytes of Flash memory. The device is manufactured with Atmel's high-density nonvolatile memory technologies and is compatible with all the industry-standard 80C51 instruction set and pinout. The on-chip Flash allows the program Memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU using programmable Flash on a single chip, the Atmel AT89S52 is a powerful microcontroller which provides a Cost-effective and highly-flexible alternative to a lot of embedded control applications. The following standard features: 8K bytes of Flash, 256 bytes are provided by the AT89S52 Of RAM, 32 I/O traces, Watchdog timer, two data pointers, three 16-bit timer/counters, a Interrupt design, a full duplex serial port, on-chip oscillator, And clock circuitry. Additionally, the AT89S52 is designed with static logic for operation The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port, and Interrupt system to continue functioning. The Power-down mode saves the RAM contents but freezes the oscillator, disabling all other chip functions until the next interrupt or hardware reset.


8K Bytes of In-System Programmable (ISP) Flash Memory
1000 Write/Erase Cycles
4.0V to 5.5V Operating Range
Fully Static Operation
0 Hz to 33 MHz
Three-level Program Memory Lock
256 x 8-bit Internal RAM
32 Programmable I/O Lines
Three 16-bit Timer/Counters
Eight Interrupt Sources
Full Duplex UART Serial Channel
Low-power Idle and Power-down Modes
Interrupt Recovery from Power-down Mode
Watchdog Timer
Dual Data Pointer
Power-off Flag

Frequently bought together

AT89S52 8 Bit Microcontroller DIP M ....

AT89S52 8 Bit Microcontroller DIP M ....

US $. 1.404


Total price: US $ 1.655

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Pin Diagram

Pin Description

Pin Number Description
1 - 8 P1.0 - P1.7 - Port 1
9 RST - Reset
10- 17 P3.0 - P3.7 - Port 3
18 XTAL2 - Crystal
19 XTAL1 - Crystal
20 GND - Ground
21 - 28 P2.0 - P2.7 - Port 2
29 PSEN - Program Store Enable
30 ALE - Address Latch Enable
31 EA - External Access Enable
32 - 39 P0.7 - P0.1 - Port 0
40 Vcc - Positive Power Supply