Prolific USB-to-Serial TTL Cable Prolific 3v PL-2303HXD - Clear Overmold/Tinned Leads USBCONNEXXIONS Shipping Included Connects to device (Microcontroller) UART or I/O Programmable baud rate generator can be configured to support data transfer rates from 75 to 12M baud at TTL levels I/O includes TX, RX, RTS, CTS, VCC, and GND USB 2.0 full speed compatible with Windows XP/Vista/7/8 Supports 5,6,7 or 8 Data bits, 1, 1.5, or 2 Stop bits, and Parity setting of None, Even, Odd, Mark, or Space