Description:     1, by special USB chip CH341A production. USB1.1 communication. Burning speed than ordinary ATMEGA8 25 Series of programming 2-3 times faster. Erase the burning check speed about 2-3 mbit per minute. Very suitable for amateur burning 24 and 25 series of FLASH. 2, support WIN98, WINME, WIN2K, WINXP, VISTA, Windows 7 - a 32-bit operating system. 3, USES the USB port power supply 2: put the programmer computer USB port, open the "CH341A programmer software" the burning software. Choose good chip capacity, can burn write and erase the chips. Download online (USB serial port, P/S end cap off) Put the programmer computer USB port, programmer received nine RX, TX foot on the TX and RX received notice from nine GND received nine GND. Choose corresponding COM, open the corresponding download software platform, online upgrade your nine machine. (software upgrade not programmer accompanying the software)