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AT89LP4052 Controller Board

Our small and compact AT89LP4052 Controller Board, utilizes the popular AT89LP4052 80 Series Microcontroller from Atmel. This board is loaded with features and is ideal for small low cost solutions. Based on standard 8051 Assembly language, programs can be easily prepared and downloaded to this board.

The AT89LP4052 Microcontroller includes 4kb of internal flash Program Memory, together with RAM Scratchpad and an optional external eeprom for the 24XX Series. SPI interface and a range of timers are also included within the Microcontroller. Port connections are brought out to standard IDCC Connections for easy hookup. The board also includes a Character LCD connection with contrast adjustment. A DS1307 socket is provided for a Real-Time Clock, the controller can be easily used as a real-time controller. 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 new AT89LP4052 Controller is an ideal miniature compact controller for a wide range of applications. Based on the standard 8051 Microcontroller series this board can easily utilize the vast range of code available for this microcontroller.

Please Note: Requires the LP4052 ISP Programming Unit (As Below) for In-Circuit Programming Via the Connection on-board.

Part Code: AT89LP4052CONT


  • Includes Atmel AT89LP4052 Microcontroller with 4kb Internal Flash Program Memory
  • Operating Speed at 18.432MHz
  • Direct In-Circuit Programming for Easy Program Updates with Separate Program Adapter
  • Up to 15 I/O points with easy to connect standard headers
  • RS232 Connection with MAX232
  • EEPROM Socket for 24XX Series
  • Real Time Clock DS1307 Socket
  • LCD Connection with Contrast Adjustment
  • Power,Programming and Test LED
  • Reset Button
  • Power Supply Components Pre-Installed
  • Ideal as a Compact Interchangeable Controller

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AT89LP4052 Controller ISP

In-Circuit program download tool for AT89LP4052 Controller, connects to computer parallel port and header on target board. LED status indication for download status.

Part Code: LP4052ISP


  • Connects directly to Computer Parallel Port
  • Uses Popular Windows Software AT89ISP for Downloading
  • Connects to Standard Header Connector on Board, Cable Provided
  • LED Status Indication