avrmeg8资料

This document covers both the STKMega8 starter kit and the Mega8 ICE， the main 　　difference between these two products is the Mega8 ICE can be connected to your own 　　board’s CPU using either the supplied DIL ICE connecTIon header or the supplied Micropins if you are using TQFP/MLF package. The STKMega8 is a starter kit only and does 　　not have any “ICE” connecTIon means to your own board; some of the Mega8 ICE 　　circuitry is also removed. Both products are supplied with a 34-way connecTIon interface 　　to allow the attachment of your own external breadboard during prototype stage; the 　　Mega8 ICE product can thus be used as a starter kit. Both products are supplied with 　　Windows STUDIO+ software allowing real-TIme emulation/debugging for the Mega8 　　CPU， for assembly/code download you can use the FREE ATMEL STUDIO software. 　　For code download you can use either the ATMEL RS232 AVRISP or the Flash Parallel 　　Port Universal ISP programmer connected to the Mega8 10 way ISP port or use the 　　FREE PONYPROG windows software which can download code via the Mega8 module 　　RS232 port. The latter approach does not require the purchase of any programmer and a 　　single PC RS232 port can be used for both code download and debugging. Using 　　STUDIO+ is superior/faster than using a simulator as all timers/CPU functions are 　　operating correctly. The STUDIO+ debugging software can operate either via the CPU 　　UART or via two spare CPU I/O pins. Flash supply a UART based “ISD” （In-SystemDebugger） to allow you to debug your code， other third party “ISD” code may be 　　supplied but Flash offer no support for third party ISD’s. Flash provide tested/working 　　example assembler and ‘C’ programs with the UART ISD included at link time， we 　　recommend you run these examples first before debugging your own code.