Product Overview: AT89C55WD-24PU/24PI

The AT89C55WD-24PU/24PI is a high-performance microcontroller from Microchip Technology, designed to offer an optimal solution for embedded systems requiring low power consumption, high integration, and versatile interfacing capabilities. This device is part of Microchip's AT89C family, which is renowned for its robust architecture and ease of use.

Key Features:

• Core: The AT89C55WD-24PU/24PI is built on an 8-bit microcontroller core with a 12-clock cycle per machine instruction, ensuring efficient operation at a maximum frequency of 24 MHz.
• Memory: It comes equipped with 20KB of flash program memory, which is ideal for storing application code, and 256 bytes of RAM for data storage.
• EEPROM: An additional 256 bytes of EEPROM provides non-volatile memory for critical data storage that persists even when the power is turned off.
• I/O Ports: The microcontroller features four 8-bit I/O ports plus an additional 4 bits, totaling 36 I/O lines that can be configured to interface with a wide range of peripherals and sensors.
• Timers: Three 16-bit timer/counters are included for precise event timing and pulse-width modulation (PWM) applications.
• Serial Communication: A full-duplex serial port facilitates easy data communication with other microcontrollers, computers, or peripheral devices.
• Power Efficiency: The device operates within a voltage range of 4.0V to 5.5V, making it suitable for 5V logic level systems and offering power-saving modes such as Idle and Power-down.

Package and Temperature Range:

The AT89C55WD-24PU variant comes in a PDIP (Plastic Dual In-line Package) form factor, while the AT89C55WD-24PI is available in a PLCC (Plastic Leaded Chip Carrier) package. Both versions are designed to operate over an industrial temperature range, ensuring reliable performance under varying environmental conditions.

Applications:

With its rich feature set, the AT89C55WD-24PU/24PI microcontroller is ideal for applications such as industrial control systems, home automation, automotive electronics, and other embedded systems that require a balance between performance, power efficiency, and interfacing flexibility.

For more information and technical specifications, please refer to the official datasheet and product documentation provided by Microchip Technology.