USB2.0 To TTL 6Pin CH340G Converter Built-in USB to TTL Transfer chip. Designed to be used for USB to TTL electronic projects. TTL interface output, easy to connect to your MCU. Dual 3.3V and 5V Power output, work with 3.3v and 5v target device. The mini module is designed specifically for STC download and ARDUINO PRO, supports all series of STC microcomputer with cold start reset button Supports WIN8/WIN7/VISTA/MAC/LINUX(32 bit /64 bit system) USB to TTL conversion board used for STC microcontroller download DVD/ hard disk / router /GPS upgrade For STC Download: SCM must be a minimum system and external crystal oscillator Note: USB to Serial port can use the version above STC-ISPV3.94 to download the old version of STC microcontroller, as STC89C and STC12C series
Driver: http://www.arduined.eu/ch340g-converter-windows-7-driver-download http://www.drivermax.com/driver/update/Ports/wch.cn/USB-SERIAL-CH340 http://catalog.update.microsoft.com/v7/site/Install.aspx?updateid=be9c8169-b12b-475f-81b8-3d3e69181e8c&referringpage=ScopedView.aspx