Datasheet > XR19L210IL40-0A-EB

XR19L210IL40-0A-EB

更新时间： 2024-11-22 22:59:35

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
43页	798K
描述
EVAL BOARD FOR XR19L202 40QFN

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XR19L210

SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER

JULY 2007

REV. 1.0.2

APPLICATIONS

GENERAL DESCRIPTION

•

Battery-Powered Equipment

Handheld and Mobile Devices

Handheld Terminals

The XR19L210 (L210) is a highly integrated device that

combines

full-featured single channel Universal

Asynchronous Receiver and Transmitter (UART) and an

RS-232 transceiver. The L210 is designed to operate with a

single 3.3V or 5V power supply. The L210 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.

Industrial Peripheral Interfaces

Point-of-Sale (POS) Systems

FEATURES

•

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

operation

•

Up to 250 Kbps data transmission rate

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

ESD protection for RS-232 I/O pins at

The L210 operates in four different modes: Awake, Partial

Sleep, Full Sleep and Power-Save. Each mode can be

invoked via hardware and/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. In the Power-Save mode, the

core logic is isolated from the control signals (chip select,

read/write strobes, address and data bus lines). All the RS-

232 receivers remain active in any of these four modes.

■

+/-15kV - Human Body Model

+/-15kV - IEC 61000-4-2, Air-Gap Discharge

+/- 8kV - IEC 61000-4-2, Contact Discharge

•

Software compatible with industry standard 16550 UART

Intel/Motorola bus select

Half-modem interface (TXD, RXD, RTS, CTS)

Sleep and Power-save modes to conserve battery power

Wake-up interrupt upon exiting low power modes

IGURE 1. BLOCK DIAGRAM

VREF+

Charge Pump

Crystal

Osc/Buffer

PwrSave

A2:A0

BRG

VREF-

16 Byte

TX FIFO

D7:D0

TXD

RXD

IOR#

16 Byte

RX FIFO

IOW# (R/W#)

CS#

INT (IRQ#)

RESET (RESET#)

I/M#

RTS#

CTS#

RTS

CTS

Modem

I/Os

*5 V

Tolerant

Inputs

UART

RS-232 Transceiver

XR19L210

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

12 3 4 5 6 7...43

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与XR19L210IL40-0A-EB相关器件

型号	品牌	获取价格	描述	数据表
XR19L210IL40-0B-EB	EXAR	获取价格	EVAL BOARD FOR XR19L202 40QFN
XR19L210IL40-F	EXAR	获取价格	Serial I/O Controller, 1 Channel(s), 0.030517578125MBps, CMOS, 6 X 6 MM, 0.90 MM HEIGHT, G
XR19L212	EXAR	获取价格	TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L212IL48	EXAR	获取价格	TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L212IL48-0B-EB	EXAR	获取价格	EVAL BOARD FOR XR19L202 48QFN
XR19L212IL48-F	EXAR	获取价格	IC UART/TXRX RS232 48QFN
XR19L220	EXAR	获取价格	SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L220_07	EXAR	获取价格	SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L220IL40	EXAR	获取价格	SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
XR19L220IL40-F	EXAR	获取价格	暂无描述

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