Atmel 8051 AT89S52 AVR 40 Pin DIP Microcontroller

The Atmel 8051 AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. Manufactured using Atmel’s high-density non-volatile memory technology, it is fully compatible with the industry-standard 89C51 instruction set and pin configuration.

Key Features:

• High-performance CMOS microcontroller with Flash technology
• Wide operating voltage range of 4.0V – 5.5V for low-power applications
• Supports in-system programming (ISP) in both page and byte modes
• CPU operating frequency up to 33 MHz with power-saving options
• Fast programming time with up to 10,000 read/write cycles
• 256 × 8-bit internal RAM architecture
• Full-duplex UART for reliable serial communication
• Three 16-bit timers, eight interrupts, and external reset support
• Idle and power-down modes for efficient energy management

Technical Specifications:

• MCS-51® instruction set compatibility
• 8KB In-System Programmable (ISP) Flash memory
• Endurance: 1000 write/erase cycles
• Operating voltage: 4.0V to 5.5V
• Fully static operation from 0 Hz to 33 MHz
• Three-level program memory lock security
• 256 × 8-bit internal RAM
• 32 programmable I/O lines
• Three 16-bit timer/counters
• Eight interrupt sources
• Full-duplex UART serial interface
• Low-power idle and power-down modes
• Watchdog timer and dual data pointer
• Power-off flag support

Datasheet:

AT89S52 8051 Microcontroller Datasheet

Applications:

• DIY electronics and hobbyist projects
• Embedded systems learning and training
• Industrial control and automation systems
• Educational kits for students and beginners
• Projects requiring multiple I/O interfaces
• Cost-effective alternative for basic Arduino-based projects

Pinout & Compatibility:

The AT89S52 features a standard MCS-51 pinout, making it fully compatible with existing 8051-based designs and development boards.

Package Includes:

1 × AT89S52 8051 Atmel Microcontroller

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