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Sipex Corporation - 1.62V To 3.63V High Performance Octal UART

Numéro de référence XR16M598
Description 1.62V To 3.63V High Performance Octal UART
Fabricant Sipex Corporation 
Logo Sipex Corporation 





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XR16M598 fiche technique
XR16M598
1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 16-BYTE FIFO
www.DataShMeAetY4U20.c0o8m
REV. 1.0.0
GENERAL DESCRIPTION
The XR16M5981 (598), is a 1.62V to 3.63V octal
Universal Asynchronous Receiver and Transmitter
(UART). The highly integrated device is designed for
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 compatible set of configuration
registers, TX and RX FIFOs of 16 bytes, fully
programmable transmit and receive FIFO trigger
levels, automatic RTS/CTS or DTR/DSR hardware
flow control with programmable hysteresis, automatic
software (Xon/Xoff) flow control, RS-485 half-duplex
direction control with programmable turn-around
delay, Intel or Motorola bus interface and sleep mode
with a wake-up indicator.
NOTE: Covered by US patents #5,649,122 and #5,949,787
APPLICATIONS
Remote Access Servers
Ethernet Network to Serial Ports
Network Management
Factory Automation and Process Control
Point-of-Sale Systems
Multi-port RS-232/RS-422/RS-485 Cards
FEATURES
1.62V to 3.63V supply voltage
Single Interrupt output for all 8 UARTs
A Global Interrupt Source Register for all 8 UARTs
5G “Flat” UART Registers for easier programming
Simultaneous Initialization of all UART channels
General Purpose 16-bit Timer/counter
Sleep Mode with Wake-up Indication
Highly Integrated Device for Space Saving
Each UART is independently controlled with:
16C550 Compatible 5G Register Set
16-byte Transmit and Receive FIFOs
Fractional Baud Rate Generator
Programmable TX and RX FIFO Trigger Level
Automatic RTS/CTS or DTR/DSR Flow Control
Automatic Xon/Xoff Software Flow Control
RS-485 Half-Duplex Control Output with
Selectable Turn-around Delay
Infrared (IrDA 1.0) Data Encoder/Decoder
Programmable Data Rate with Prescaler
Up to 15 Mbps Serial Data Rate
Pin compatible to XR16V598, XR16V698,
XR16V798 and XR16M698
FIGURE 1. BLOCK DIAGRAM
RST#
A7:A0
D7:D0
IOR#
IOW#
CS#
INT#
16/68#
Data Bus
Interface
Device
Configuration
Registers
16-bit
Timer/Counter
UART Channel 0
UART
Regs
BRG
16 Byte TX FIFO
TX & RX
IR
ENDEC
16 Byte RX FIFO
UART Channel 1
UART Channel 2
UART Channel 3
UART Channel 4
UART Channel 5
UART Channel 6
UART Channel 7
Crystal Osc/Buffer
TX0, RX0, DTR0#,
DSR0#, RTS0#,
CTS0#, CD0#, RI0#
TX7, RX7, DTR7#,
DSR7#, RTS7#,
CTS7#, CD7#, RI7#
XTAL1
XTAL2
TMRCK
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com

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