XR17C158 - Exar Corporation

XR17C158 5V PCI BUS OCTAL UART

The XR17C1581 (158) is an octal Universal Asynchronous Receiver and Transmitter (UART). The device is designed to meet the 32-bit PCI Bus and high bandwidth requirement in communication systems. The global interrupt source register provides a complete interrupt status indication for all 8 channels to speed up interrupt parsing. Each UART has its own 16C550 c.

Features

• High Performance Octal UART
• 32-bit PCI Bus Interface with EEPROM Interface
• Interrupt Source Register for all 8 UARTs
• Data Transfer in Byte, Word and Double-word
• Read/Write Burst Operation
• Each UART Includes
• 16C550 Compatible Registers
• 64-byte Transmit and Receive FIFOs
• Transmit and Receive FIFO Level Counters
• Automatic RTS/CTS or DTR/DSR Flow Control
• Automatic Xon/Xoff Software Flow Control
• RS485 Half-duplex Control with Selectable Delay
• Infrared (IrDA 1.0) Data Encoder/Decoder
• Programmable Data Rate with Prescaler
• Up to 6.25 Mbps Serial Data Rate
• Eight Multi-Pu.