Section 1
Introduction
1.1 Features
This document describes the AT89STK-11 board dedicated to the standard C51 micro-
controllers with in-system programming.
All of the microcontroller I/Os are made available in an expansion area with prototyping
facilities.
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
AT89STK-11 Hardware User Guide
1-1
7676B–8051–08/07