Manufacturer Part Number
AT89S8252-24JI
Manufacturer
Microchip Technology
Introduction
8-bit microcontroller with embedded Flash and EEPROM
Product Features and Performance
8051 core processor, 8-Bit architecture
24MHz operating speed for faster processing
SPI, UART/USART for connectivity options
Peripherals include Power-on Reset and Watchdog Timer for reliability
32 General Purpose I/O lines for versatile interfacing
8KB Flash memory for program storage
2KB EEPROM non-volatile memory
256 bytes of RAM for data operations
Requires 4V to 6V power supply for operations
External oscillator required
Operation temperature range from -40°C to 85°C
Surface mount, 44-PLCC package for compact design
Product Advantages
Robust 8051 core for reliability and software compatibility
High-speed operation for time-sensitive applications
Versatile connectivity allows interfacing with various peripherals
Integrated watchdog timer to prevent system failures
Sufficient memory for complex programs and data retention
Wide operating temperature suitable for industrial applications
Key Technical Parameters
Core Size: 8-Bit
Speed: 24MHz
Number of I/O: 32
Program Memory Size: 8KB
EEPROM Size: 2KB
RAM Size: 256 bytes
Voltage - Supply: 4V ~ 6V
Mounting Type: Surface Mount
Package: 44-LCC (J-Lead)
Quality and Safety Features
Power-on Reset to ensure proper startup
Watchdog Timer mitigates system hangs and malfunctions
Compatibility
Interfaces compatible with a wide range of external devices
SPI and UART standards for communication
Application Areas
Embedded system control
Industrial automation
Consumer electronics
Communication systems
Product Lifecycle
Obsolete - no longer in production
Potential replacements or upgrade paths available
Several Key Reasons to Choose This Product
High-speed 24MHz processor for responsive control applications
Embedded Flash and EEPROM simplify design and increase reliability
Wide range of operational temperatures suitable for diverse environments
Versatile GPIO count for comprehensive system control
Renowned 8051 core provides ease of software development and integration
Obsolete status may benefit legacy system support and maintenance