* Compliant with PCI Express base specifications revision 1.1a.
* Native single-Chip, single lane PCI Express.
* Two high speed RS-232 serial ports with data transfer rate up to 460.8 Kbps.
* 128-byte deep FIFO per transmitter and receiver.
* Automated in-band software flow control using programmable Xon/Xoff in both directions.
* Automated out-of-band hardware flow control using Tx/Rx/RTS/CTS/DSR/DTR/DCD/RI/GND.