Manufacturer Part Number
AT89C55WD-24AC
Manufacturer
Microchip Technology
Introduction
The AT89C55WD-24AC is an 8-bit microcontroller from Microchip Technology's 89C series designed with a high-performance 8051 core. It operates at a speed of 24MHz, suitable for embedded system applications.
Product Features and Performance
High-performance 8051 core
24MHz speed for fast processing capabilities
20KB FLASH program memory for code storage
256 x 8 bits of RAM for data storage
32 programmable I/O lines for versatile connectivity
Integrated UART/USART interface for serial communication
Watchdog Timer (WDT) for system reliability
Internal oscillator for precision timing
Surface Mount 44-TQFP packaging for compact design
Product Advantages
Enhanced 8051 core provides robust performance for complex algorithms.
Ample program and data memory accommodate large applications.
Versatile I/O options support a wide range of external devices.
Built-in communication interface facilitates easy data transfer.
Integrated watchdog timer enhances system stability and reliability.
Compact packaging enables integration into space-constrained designs.
Key Technical Parameters
Core Processor: 8051 8-Bit
Speed: 24MHz
Program Memory Size: 20KB (20K x 8)
RAM Size: 256 x 8
Number of I/O: 32
Voltage Supply (Vcc/Vdd): 4.5V ~ 5.5V
Operating Temperature: 0°C ~ 70°C (TA)
Package / Case: 44-TQFP
Quality and Safety Features
Rigorous production quality standards ensure high reliability.
Operates within a standard temperature range for stability under various conditions.
Compatibility
Widely compatible with 8051-based system designs.
Easily integrated with existing hardware due to standard I/O and communication protocols.
Application Areas
Industrial control systems
Automotive electronics
Consumer electronics interfaces
Home automation systems
Embedded systems requiring reliable microcontroller performance
Product Lifecycle
Obsolete status indicates discontinuation.
Replacements or upgrades need to be considered for long-term projects.
Several Key Reasons to Choose This Product
High-speed operation and ample memory for complex applications.
Versatile connectivity and peripheral integration support vast design flexibility.
Reliable performance backed by Microchip Technology's robust manufacturing standards.
Compact and efficient design suitable for modern electronic systems.
Despite its obsolete status, ideal for specific applications where a replacement or upgrade is viable.