EASY PROGRAMMER ISP 89SXX

first Electronics project

Introduction

This ISP Programmer can be used either for in-system programming or as a stand-alone spi programmer for Atmel ISP programmable devices.


Hardware

Figure G.3 shows the circuit diagram of the in-system programmer interface, the power to the interface is provided by the target system. The 74LS245 ic isolate and buffer the parallel port
signals.

G.1

G.2

G.3 Schematic Diagram Programmer with LPT Connection

Use ATMEL ISP SOFTWARE to program the microcontroller.