XR17D152 Description
1.2.0 The XR17D1521 (D152) is a monolithic dual PCI Bus Universal Asynchronous Receiver and Transmitter (UART) in Exar’s PCI Bus UART family. The device is designed to meet today’s 32-bit PCI Bus and high bandwidth requirement in munication systems. The global interrupt source register provides a plete interrupt status indication for both channels to speed up interrupt parsing.