Introduction

This document describes the AT89STK-11 board dedicated to the standard C51 microcontrollers with in-system programming.

All of the microcontroller I/Os are made available in an expansion area with prototyping facilities.

Features

■ Stand-alone Board

■ In-System Programmable (ISP) including ‘Auto ISP’ feature

■ On-board Voltage Regulator

■ Microcontroler on its sockets

– PLCC44-pin package

■ On-board 3V or 5V power supply circuitry

– from an external power connector

– from an external battery

■ On-board RESET

■ Leds : Power, ALE, RS232 Rx and Tx

■ External MCU clock connector

■ External PCA clock connector

■ TWI, SPI and RS232 connectors

■ INT0 & INT1 Push-button

■ Expansion area with prototyping facilities

■ Commercial Temperature Range: 0 to +70°C Operating Temperature

■ Dimension: 95 mm x 120 mm