The AT89C55WD-33JC is a high-performance Flash microcontroller from Atmel, based on the industry-standard 8051 architecture. It integrates 20KB of Flash memory for program storage, 256 bytes of RAM for data storage, and various peripherals, making it well-suited for a wide range of embedded control applications. This microcontroller offers a robust set of features for efficient and reliable system operation.

Applications

• Embedded control systems
• Industrial automation
• Consumer electronics
• Automotive electronics
• Motor control

Features

• 8051-compatible architecture
• 20 KB of Flash memory
• 256 bytes of RAM
• 32 programmable I/O lines
• Three 16-bit timer/counters
• Full duplex UART
• Programmable watchdog timer
• Low-power idle and power-down modes

Benefits

• Easy integration: Industry-standard 8051 architecture simplifies integration into existing systems.
• Flexible programming: Flash memory allows for easy program updates and modifications.
• Wide range of applications: Integrated peripherals support a variety of embedded control applications.
• Reliable operation: Watchdog timer ensures reliable system operation.
• Low power consumption: Idle and power-down modes extend battery life in portable applications.

Additional Details

The AT89C55WD-33JC microcontroller operates at a maximum clock frequency of 33 MHz, enabling fast and efficient program execution. It includes three 16-bit timer/counters, which can be used for various timing and counting functions. The full duplex UART enables serial communication with other devices. The programmable watchdog timer helps prevent system malfunctions by resetting the microcontroller if it becomes unresponsive. This microcontroller is commonly used in embedded systems for industrial automation, consumer electronics, and automotive applications. Note that this part is categorized as end-of-life, so newer microcontroller designs are recommended.