Datasheet > XR19L200

XR19L200

更新时间： 2024-10-02 03:15:03

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
40页	793K
描述
SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER

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中文翻译

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数据手册

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XR19L200 数据手册

PRELIMINARY

SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER

XR19L200

APRIL 2006

REV. P1.0.2

APPLICATIONS

GENERAL DESCRIPTION

• Battery-Powered Equipment

• Handheld and Mobile Devices

• Handheld Terminals

• Industrial Peripheral Interfaces

• Point-of-Sale (POS) Systems

The XR19L200 (L200) is a highly integrated device that

combines

a single channel Universal Asynchronous

Receiver and Transmitter (UART) and an RS-232

transceiver. The L200 is designed to operate with a single

3.3V or 5V power supply. The L200 is fully compliant with

EIA/TIA-232-F Standards from a +3.0V to +5.5V power

supply. The device operates at 250 Kbps data rate with

worst case 3K ohms load. Both RS-232 driver outputs and

receiver inputs can operate in harsh electrical environments

of +/-15V without damage and can survive multiple +/-15kV

ESD on the RS-232 lines, while maintaining RS-232 output

levels.

FEATURES

• Meets true EIA/TIA-232-F Standards from a 3.0 V to 5.5V

operation

• Up to 250 Kbps data transmission rate

The L200 operates in three different modes: Awake, Partial

Sleep, and Full Sleep. Each mode can be invoked via

hardware or software. In the Awake mode, all functions are

active. In the Partial Sleep mode, the internal crystal

oscillator or charge pump is turned off. In Full Sleep mode,

the internal crystal oscillator and the charge pump is shut

down. All the RS-232 receivers remain active in any of

these four modes.

• 45us sleep mode exit (charge pump to full power)

• ESD protection for RS-232 I/O pins at

■ +/-15kV - Human Body Model

■ +/-15kV - IEC 1000-4-2, Air-Gap Discharge

■ +/- 8kV - IEC 1000-4-2, Contact Discharge

• Software compatible with industry standard 16550 UART

• Intel/Motorola bus select

• Quarter-modem interface (TXD, RXD)

• Sleep modes to conserve battery power

• Wake-up interrupt upon exiting low power modes

FIGURE 1. BLOCK DIAGRAM

VREF+

Crystal

Osc/Buffer

BRG

16 Byte

Charge Pump

A2:A0

VREF-

TXD

D7:D0

IOR#

TX FIFO

16 Byte

RX FIFO

RXD

IOW# (R/W#)

CS#

INT (IRQ#)

RESET (RESET#)

I/M#

Modem

I/Os

*5 V

Tolerant

Inputs

UART

RS-232 Transceiver

XR19L200

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

12 3 4 5 6 7...40

中文翻译

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与XR19L200相关器件

型号	品牌	获取价格	描述	数据表
XR19L200_07	EXAR	获取价格	SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L200IL32	EXAR	获取价格	SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L200IL32-F	EXAR	获取价格	Serial I/O Controller, 1 Channel(s), 0.030517578125MBps, CMOS, 5 X 5 MM, 0.90 MM HEIGHT, G
XR19L202	EXAR	获取价格	TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L202IL48	EXAR	获取价格	TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L202IL48-F	EXAR	获取价格	Line Transceiver, 3 Func, 3 Driver, 3 Rcvr, CMOS, 7 X 7 MM, 0.90 MM HEIGHT, GREEN, QFN-48
XR19L210	EXAR	获取价格	SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L210_07	EXAR	获取价格	SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L210IL40	EXAR	获取价格	SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L210IL40-0A-EB	EXAR	获取价格	EVAL BOARD FOR XR19L202 40QFN

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