PI7C8954AFHE Datasheet PDF - Pericom Semiconductor Corporation

Product Description
   The PI7C8954 is a PCI® Quad UART (Universal Asynchronous Receiver-Transmitters) I/O Bridge. It is specifically designed to meet various system requirements of high performance and lead (Pb) -free. The bridge can be used in a wide range of applications such as Remote Access Servers, Automation, Process Control, Instrumentation, POS, ATM and Multi-port RS232/RS422/RS485 Cards. 

FEATUREs
â—¾ Four high performance 950-class UARTs
◾ Universal PCI Bus Buffers – Auto sense 3.3V or 5V
   operation
â—¾ Fully 16C550 software compatible UARTs
â—¾ 128-byte FIFO for each transmitter and receiver
â—¾ Baud rate up to 15 Mbps in asynchronous mode
â—¾ Flexible clock prescaler from 4 to 46
â—¾ Data Transfer in Byte, Word and Double-word
â—¾ Data Read/Write Burst Operation
â—¾ Automated in-band flow control using programmable
   Xon/Xoff in both directions
â—¾ Automated out-of-band flow control using CTS#/RTS#
   and/or DSR#/DTR#
â—¾ Arbitrary trigger levels for receiver and transmitter FIFO
   interrupts and automatic in-band and out-band flow
   control
â—¾ Global Interrupt Status and readable FIFO levels to
   facilitate implementation of efficient device drivers
â—¾ Detection of bad data in the receiver FIFO
â—¾ Data framing size including 5, 6, 7, 8 and 9 bits
â—¾ Infrared (IrDA 1.0/1.1) Data Encoder/Decoder
â—¾ Auto RS-485 Half-duplex Output with Control Polarity
   Selector
â—¾ Eight General Purpose Inputs/Outputs
â—¾ A General Purpose 16-bit Timer/Counter
â—¾ Hardware reconfiguration through EEPROM
â—¾ Operations via I/O or memory mapping
â—¾ Sleep Mode with Automatic Wake-up
â—¾ Dual power operation (3.3V or 5.0V for PCI I/O and
   1.8V-5.0V for UART I/O)
â—¾ Power dissipation: 150 mW typical in normal mode
â—¾ Industrial Temperature Range -40o to 85o
â—¾ Package: 20x20mm, 144-pin LQFP, w/0.5mm pin pitch -
   Pb free and 100% Green.

APPLICATIONs
â—¾ Remote Access Servers
â—¾ Network / Storage Management
â—¾ Factory Automation and Process Control
â—¾ Instrumentation
â—¾ Multi-port RS-232/ RS-422/ RS-485 Cards
â—¾ Point-of-Sale Systems (PoS)
â—¾ Industrial Control (IPC)
â—¾ Gaming Machines
â—¾ Building Automation
â—¾ Embedded Systems