XR17V358 Pro Integrates Eight Enhanced 16550UARTs, 1 General- 16-Bit Timer/Counter And 16 Multi-Function I/O () Function. 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 Eight Uarts, Timer/Counters, , And Sleep Wake Indicators. In Addition, Each Uart Channel Has 256- Transmit And Receive , 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 Programmable Fractional Baud Rate Generator With A Prescaler Divided By 1 Or 4, And 4x Sampling Rate Is 25 Mbps Data Rate. Description: Material: PCB Color Function Single 3.3V power supply Internal buck regulator for 1.2V core PCIe 2.0 compliant, x1 link, dual simplex, 2.5Gbps each direction Support x1/x4/x8/x16 card slot bus interface EEPROM interface configuration, data read and write operations Global interrupt status register for all eight UARTs Serial data rates up to 25 Mbps 16 multi-function inputs/outputs (MPIOs), 6-bit general- timer/counter Sleep mode with indicator light Eight UART channels via: 16550 compatible register set 256- TX and RX 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 Multipoint automatic address detection Infrared (IrDA 1.1) data encoder/decoder Package Contents: 1 x PCI-E XR17V358 PRO 8S Multi-Serial I/O Card 1 x DB9 Terminal Cable 1 x CD Driver 1 x Short Iron Piece Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use 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.