采用mega8实现stk500 v2功能，电路简单，下载速度快-Stk500 v2 used to achieve mega8 function, circuit is simple, fast download speeds

此程序是用于单片机e2rom读写的程序。-The firmware of the USBisp is easy to upgrade. A software upgrade works also via the USB interface. The package contains a STK500 compatible bootloader so you can use avrdude to update the firmware. There are 7k of flash left in