1. Double or quadruple UART 2. Supports multi-protocol RS-232, RS-422, and RS-485 3. Two-way speed of up to 25 Mbps per port 4. Full serial modem control 5. Support hardware and software flow control 6. Support 5, 6, 7, 8 and 9 bit serial format 7. Supports even, odd, none, Spaces, and marked parity 8. Support custom baud rate through internal PLL or external clock 9. Support 256-byte deep FIFO on chip, send and receive path of each serial port 10. Supports remote wake-up and power supply
