AT89C5131A Starter Kit Hardware User Guide
1-1
Rev. 4245A–USB–11/04
Section 1
Introduction
This document describes the AT89C5131A Starter Kit Evaluation Board dedicated to
the AT89C5131A USB microcontroller. This board is designed to allow an easy evalua-
tion of the product using demonstration software (refer to Software Guide).
1.1
Features
The AT89C5131A evaluation board provides the following features:
Possibility to choose between two packages for the AT89C5131A
– PLCC 52-pin package
– VQFP 64-pin package
On-board power supply circuitry
– from an external power connector
– from an external battery
– from the USB line via the USB on-board connector
On-board reset, INT0, LEDs, EA, ISP and programming interface
Power, ALE, RS232 Rx and Tx LEDs
External system clock connector
PCA clock connector
USB, TWI, SPI and RS232 hardware connectors
Two Connectors available for extended board
