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AT89S51 Microcontroller – 8051-Based 8-Bit Controller IC (DIP-40) with 4KB Flash

The AT89S51 is a high-performance 8-bit microcontroller based on the popular 8051 architecture. With 4KB Flash, 128 Bytes RAM, 32 I/O lines, and support for SPI-based in-system programming (ISP), it is ideal for learning, prototyping, and industrial embedded control applications. The DIP-40 package makes it easy to use with breadboards and development kits.

 

Key Features:

  • 8051 Architecture
    Fully compatible with standard 8051 instruction set and peripherals.

  • 4KB Flash Memory
    On-chip reprogrammable Flash for code storage.

  • 32 Programmable I/O Lines
    Sufficient for a wide range of interfacing needs.

  • Timers and Serial Communication
    Includes two 16-bit timers/counters and a full-duplex UART.

  • In-System Programmable (ISP)
    Can be programmed via SPI interface without removing from circuit.

  • Low Power Operation
    Built-in power-saving modes for energy-efficient designs.

 

Applications:

  • Embedded control and automation

  • 8051 microcontroller training and academic projects

  • Home and industrial automation

  • Robotics and mechatronics

  • DIY electronic circuits

  • Programmable logic systems

 

Package Includes:

  • 1 × AT89S51 Microcontroller IC 

 

Specifications:

  • Architecture: 8051 (8-bit)

  • Program Memory: 4KB Flash

  • RAM: 128 Bytes

  • EEPROM: Not available

  • I/O Pins: 32

  • Timers: 2 × 16-bit

  • Serial Interface: UART

  • ISP Interface: SPI

  • Clock Frequency: Up to 33 MHz

  • Operating Voltage: 4V to 5.5V

  • Package Type: DIP-40

  • Mounting Type: Through-hole

 

Dimensions:

  • Length: 52 mm

  • Width: 13 mm

  • Pin Pitch: 2.54 mm

 

Weight:  5 g

 

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AT89S51 8051 Controller IC

₹100.00Price
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