Manufacturer Part Number
AT89S51-24JI
Manufacturer
microchip-technology
Introduction
The AT89S51-24JI is a low-power, high-performance CMOS 8-bit microcontroller with 4KB of flash programmable and erasable read-only memory (PEROM). This device is based on the 8051 core and operates at a frequency of up to 24MHz.
Product Features and Performance
Core Processor: 8051
Core Size: 8-Bit
Speed: 24MHz
Connectivity: UART/USART for serial communication
Peripherals: Includes Watchdog Timer (WDT) for system reliability
Number of I/O: 32
Program Memory Size: 4KB (4K x 8)
Program Memory Type: FLASH for easy program and data storage
RAM Size: 128 x 8
Voltage Supply (Vcc/Vdd): 4V ~ 5.5V
Oscillator Type: Internal for reduced external component count
Operating Temperature Range: -40°C ~ 85°C
Product Advantages
Integrated FLASH memory for in-system programmability and ease of development
Support for high-speed communication through UART/USART
Wide operating voltage and temperature range suitable for demanding applications
High number of I/O pins allows for versatile control and interfacing options
Key Technical Parameters
Core Size: 8-Bit
Speed: 24MHz
Connectivity: UART/USART
Program Memory Size: 4KB
Voltage Supply: 4V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Robust design ensuring reliable operation in tough conditions
Built-in watchdog timer to monitor system operation and initiate system reset in case of failure
Compatibility
Compatible with the industry-standard 8051 instruction set and pinout
Easily integrates into existing designs with minimum changes
Application Areas
Embedded systems
Consumer electronics
Industrial automation
Home appliances
Automotive systems
Product Lifecycle
Product Status: Obsolete
The AT89S51-24JI is nearing the end of its production lifecycle, with potential availability of replacements or upgrades for long-term projects recommended to investigate.
Several Key Reasons to Choose This Product
High performance and low power consumption ideal for battery-operated applications
Integrated FLASH memory facilitates easy programming and iterations during development
Supports a wide range of communication protocols through UART/USART
Large I/O count for complex control tasks
Durable and reliable operation in extreme environmental conditions