Zitrades CP2102 Module STC Download Cable USB 2.0 to TTL 6PIN Serial Converter For STC This is a USB 2.0 to TTL UART 6PIN CP2102 Module Serial Converter. Connect MCU easily to your computer! Standard USB type A male and TTL 6pin connector. 6pins for 3.3V, RST, TXD, RXD, GND & 5V. Stable and reliable chipset CP2102 USB specification 2.0 compliant with full-speed 12Mbps Supports Windows 98SE, 2000, XP, Vista, Window7, Mac OS 9, Mac OS X & Linux 2.40