1.Custom baud rates supported by external clock or by internal PLL programming 2.In the 256-byte deep FIFO chip in transmission, it receives the path of each serial port. 3.Supports remote wake-up and power management functions 4.Supports slow IrDA on all IEEE1284 serial ports 5.IEEE 1284 compliant parallel port interface, supports SPP / PS2 / EPP / ECP modes and centronic interface 6.Faster data rates of up to 1.5Mbps for parallel port
