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AT89C51AC3 Controller Board

Our AT89C51AC3 Controller board features the Atmel 64kbyte 80 Series AT89C51AC3 Microcontroller, utilizing standard 8051 instructions and a high-speed core. Combined into an easy to use and ready to run board, complete with all the necessary components for plugging directly into your system.

The AT89C51AC3 Microcontroller includes a huge 64kb of internal flash Program Memory, together with a large RAM area, ERAM area and an internal EEPROM. The core uses the new high-speed architecture for very high throughput. Eight Channels of A/D Converters are also available with 10-bit accuracy making the unit ideal as a real-world monitoring unit. An SPI interface is available for easy data transfer to ancillary ICs and a range of 16-bit timers are also included within the Microcontroller. Five ports are included with port connectors brought out to standard headers for easy connect and disconnect. In-Circuit program download is also provided, enabling the board to be easily updated with new code and modified as required, without the need to remove the microcontroller.

All the necessary support components are included, together with a Power and Programming LED for easy status indication. Plus a reset switch for program execution and a RS232 connection for data transfer to and from a standard RS232 port, available on most computers.

The AT89C51AC3 Controller is the ideal solution for use as a standard controller in many applications. The small compact size combined with easy program updates and modifications, make it ideal for use in machinery and control systems, such as alarms, card readers, real-time monitoring applications and much more. This board is ideal as the brains of your robot or at the center of your home-monitoring system. Save time and money, by simply building your ancillary boards and monitoring circuits around this inexpensive and easy to use controller.

Part Code: AT89C51AC3CONT


  • Includes Atmel AT89C51AC3 Microcontroller with 64kb Internal Flash Program Memory
  • Operating Speed up 58.9842MHz
  • Direct In-Circuit Programming for Easy Program Updates
  • Up to 32 I/O points with easy to connect standard headers
  • RS232 Connection with MAX232
  • Eight Channel 10-Bit A/D Converter
  • Internal 2k EEPROM
  • Three 16-bit Timers
  • Five 16-bit Programmable Counter Arrays
  • Power and Test LED
  • PSEN and Reset Button
  • Ideal as an Interchangeable Controller for Real-Time Systems

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