XR17V352 integrates the functions of two enhanced 16550 UARTs, a general-purpose 16-bit /counter and 16 multi-function I/Os (MPIOs) Each UART channel has its own 16550 UART compatible configuration register for individual channel control, status and data transfer The device configuration registers include a set of four consecutive interrupt source registers that provide interrupt status for all two UARTs, /counters, MPIOs and sleep indicators Each UART channel has 256- transmit and receive FIFOs, automatic / or DTR/ hardware flow control, automatic XON/XOFF, special character flow control, programmable transmit and receive trigger levels, infrared encoder/decoder (IrDA version 1.1), and a prescaler divided by 1 or 4 programmable fractional baud rate generator, and 25 at 4 times the sampling rate Mbps data rate Application areas: Next generation point-of-sale systems, remote access servers, storage network management, factory automation and process control, multi-port -232/-422/-485 cards Single 3.3V power supply Internal buck regulator for 1.2V core Compliant with PCIe 2.0 , x1 link, dual simplex, 2.5Gbps in each direction Supports x1/x4/x8/x16 card slot bus interface EEPROM interface configuration, data read and write burst operation Global interrupt status register for all two UARTs Serial data rate up to 25 Mbps 16 multi-function input/output (), 6-bit /counter Sleep mode with indicator Two UART channels through: 16550 compatible register set 256- TX and RX FIFOs Programmable TX and RX trigger levels Fractional baud rate generator Automatic / or DTR/ hardware flow control with programmable hysteresis Automatic Xon/Xoff software flow control -485 half-duplex direction control output with programmable turnaround delay Multi-point automatic address detection Infrared (IrDA 1.1) data encoder/decoder Colour:Green Material:PCB Package Contents: 1x I/O Control Card 1x -232 Data Cable 1x CD Driver 1x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.