AT89S8253-24PU 8-bit Microcontroller (12KB Flash, 40-DIP) by Atmel

The AT89S8253-24PU is an 8-bit microcontroller from Atmel’s 8051-based family, featuring 12KB of in-system programmable Flash memory, 2KB EEPROM, and enhanced peripherals. With a 40-pin DIP package, it is suitable for embedded control applications requiring high-performance and flexible memory storage.

Key Features & Benefits:

• 8051-Compatible Core: Ensures compatibility with standard 8051 development tools
• 12KB ISP Flash Memory: Allows in-system programming for firmware updates
• 2KB EEPROM: Non-volatile memory for data storage
• 256 Bytes of RAM: Provides efficient data handling
• Three 16-bit Timers: Enables precise timing and event counting
• Programmable Watchdog Timer: Ensures system reliability
• Enhanced SPI Interface: Supports high-speed serial communication
• 40-Pin DIP Package: Easy integration into through-hole PCB designs
• Operating Speed up to 24MHz: Supports high-speed operations
• Low Power Consumption: Ideal for battery-powered applications

Specifications:

• Brand: Atmel (Microchip Technology)
• Core: 8-bit 8051-based MCU
• Flash Memory: 12KB (In-System Programmable)
• EEPROM: 2KB
• RAM: 256 Bytes
• Clock Speed: Up to 24MHz
• I/O Pins: 32 programmable I/O lines
• Timers: Three 16-bit timers/counters
• Interfaces: SPI, UART (serial communication)
• Watchdog Timer: Yes (programmable)
• Voltage Range: 4.0V – 5.5V
• Temperature Rating: -40°C to +85°C
• Package Type: 40-Pin DIP (Dual In-Line Package)

Applications:

• Industrial automation and process control
• Embedded systems and robotics
• Consumer electronics and home automation
• Data logging and security systems
• Legacy 8051-based system upgrades