Datasheet > XR16M698IQ100

XR16M698IQ100

更新时间： 2024-11-22 06:02:03

品牌	Logo	应用领域
艾科嘉 - EXAR		先进先出芯片
页数	文件大小	规格书
58页	1249K
描述
1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 32-BYTE FIFO

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XR16M698IQ100 数据手册

XR16M698

1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 32-BYTE FIFO

MAY 2008

REV. 1.0.0

FEATURES

GENERAL DESCRIPTION

• 1.62V to 3.63V supply voltage

The XR16M698 (698), 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 32 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.

• 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

■ 32-byte Transmit and Receive FIFOs

■ Fractional Baud Rate Generator

NOTE: Covered by US patents #5,649,122 and #5,949,787

■ Programmable TX and RX FIFO Trigger Level

■ Automatic RTS/CTS or DTR/DSR Flow Control

■ Automatic Xon/Xoff Software Flow Control

APPLICATIONS

• Remote Access Servers

■ RS-485 Half-Duplex Direction Control Output

• Ethernet Network to Serial Ports

• Network Management

with Selectable Turn-around Delay

■ Infrared (IrDA 1.0) Data Encoder/Decoder

■ Programmable Data Rate with Prescaler

• Factory Automation and Process Control

• Point-of-Sale Systems

• Up to 15 Mbps Serial Data Rate

• Pin compatible to XR16V698, XR16V598,

XR16V798 and XR16M598

• Multi-port RS-232/RS-422/RS-485 Cards

FIGURE 1. BLOCK DIAGRAM

UART Channel 0

32 Byte TX FIFO

TX0, RX0, DTR0#,

UART

Regs

DSR0#, RTS0#,

CTS0#, CD0#, RI0#

TX & RX

ENDEC

BRG

32 Byte RX FIFO

RST#

A7:A0

D7:D0

UART Channel 1

UART Channel 2

UART Channel 3

UART Channel 4

UART Channel 5

Data Bus

Interface

Device

Configuration

Registers

IOR#

IOW#

CS#

INT#

16/68#

UART Channel 6

TX7, RX7, DTR7#,

DSR7#, RTS7#,

UART Channel 7

16-bit

Timer/Counter

CTS7#, CD7#, RI7#

XTAL1

XTAL2

TMRCK

Crystal Osc/Buffer

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com

12 3 4 5 6 7...58

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与XR16M698IQ100相关器件

型号	品牌	获取价格	描述	数据表
XR16M752	EXAR	获取价格	HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
XR16M752_09	EXAR	获取价格	HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
XR16M752IL32	EXAR	获取价格	HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
XR16M752IL32-F	EXAR	获取价格	Serial I/O Controller, 2 Channel(s), 2MBps, CMOS, 5 X 5 MM, 0.90 MM HEIGHT, GREEN, QFN-32
XR16M752IL32TR-F	EXAR	获取价格	IC UART FIFO 64B DUAL 32QFN
XR16M752IM48	EXAR	获取价格	HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
XR16M752IM48-F	EXAR	获取价格	Serial I/O Controller, 2 Channel(s), 2MBps, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, GREEN, TQ
XR16M770	EXAR	获取价格	1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
XR16M770IB25	EXAR	获取价格	1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
XR16M770IB25-0C-EB	EXAR	获取价格	EVAL BOARD FOR XR16M770-C 25BGA,

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