XR17D158 Datasheet | Exar

xr UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART AUGUST 2005 GENERAL DESCRIPTION Features REV. 1.2.2 The XR17D1581 (D158) is an octal PCI Bus Universal Asynchronous Receiver and Transmitter (UART) with support for PCI Bus universal VIO buffers in the same package and pin-out as the XR17C158, XR17C154 and XR17D154. The device is designed to meet the 32-bit PCI Bus and high bandwidth requirement in munication systems. A global interrupt source register provides a plete interrupt status indication for all 8 channels to speed up interrupt parsing. Each UART has its own 16C550 patible set of configuration registers, transmit and receive FIFOs of 64 bytes, fully programmable...