AT89C55WD-24PU

The AT89C55WD-24PU is a high-performance 8-bit microcontroller with 20K bytes of in-system programmable flash memory. It features a wide operating voltage range and high-speed architecture, making it suitable for a variety of embedded applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• RST: Reset pin
• ALE/PROG: Address Latch Enable/Program Pulse input
• PSEN: Program Store Enable
• A0-A7: Address bus
• D0-D7: Data bus
• EA/VPP: External Access Enable/Voltage for Programming
• XTAL1: Crystal input for oscillator
• XTAL2: Crystal output from oscillator
• VSS: Ground
• VDD: Positive power supply
• P1.0-P1.7: Port 1 pins
• P3.0-P3.7: Port 3 pins

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AT89C55WD-24PU microcontroller for a visual representation.

Key Features

• 8-Bit Microcontroller: The AT89C55WD-24PU is an 8-bit microcontroller with a wide range of peripherals.
• Flash Memory: In-system programmable flash memory allows for easy reprogramming of the device.
• High-Speed Architecture: The high-speed architecture of this microcontroller enables fast processing of instructions.
• Wide Operating Voltage Range: Operates within a wide voltage range, providing flexibility in different applications.
• On-Chip Oscillator: Integrated oscillator circuitry simplifies system design and reduces external components.
• Timer/Counters: Built-in timer/counters enhance the device's capabilities for various timing applications.

Note: For detailed technical specifications, please refer to the AT89C55WD-24PU datasheet.

Application

• Embedded Systems: Ideal for use in embedded systems such as industrial control, automation, and IoT devices.
• Motor Control: Suitable for motor control applications requiring precise timing and PWM control.
• Sensor Interface: Can be used to interface with sensors for data acquisition and processing.

Functionality

The AT89C55WD-24PU microcontroller provides versatile computing capabilities with its flash memory, on-chip peripherals, and high-speed architecture. It is a reliable solution for embedded systems requiring efficient processing and control.

Usage Guide

• Power Supply: Connect VDD (Pin 20) to the positive power supply and VSS (Pin 10) to ground.
• Programming: Use ALE/PROG and PSEN pins for programming and interfacing with external memory.
• I/O Connections: Connect the port pins for interfacing with external devices or components.

Frequently Asked Questions

Q: Can the AT89C55WD-24PU be used in automotive applications?
A: Yes, the AT89C55WD-24PU is suitable for automotive applications requiring high-performance microcontrollers with flash memory.

Q: Is in-system programming possible with the AT89C55WD-24PU?
A: Yes, the AT89C55WD-24PU features in-system programmable flash memory, allowing for easy reprogramming without removing the device from the system.