XR16L580IL24

更新时间： 2024-09-17 02:52:03

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
52页	1074K
描述
SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE

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XR16L580IL24 数据手册

XR16L580

SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE

MAY 2007

REV. 1.4.1

FEATURES

GENERAL DESCRIPTION

• Smallest Full Featured UART

• 2.25V to 5.5V Supply Voltage

• 5V Tolerant Inputs (except XTAL1)

• Intel/Motorola Bus Select

• ’0 ns’ Address Hold Time (T_AHand T_ADH

• Pin and Software Compatible to industry standard

16C450, 16C550, ST16C580, ST16C650A and

XR16C850 in the 48-TQFP package.

The XR16L580 (L580) is a 2.25 to 5.5 volt Universal

Asynchronous Receiver and Transmitter (UART) with 5 volt

tolerant inputs and a reduced pin count. It is pin-to-pin and

software compatible to industry standard 16C450, 16C550,

ST16C580, ST16C650A and XR16C850 UARTs. It has 16

bytes of TX and RX FIFOs and is capable of operating up to

serial data rate of 1 Mbps at 2.25 volt supply voltage. The

internal registers is compatible to the 16C550 register set

plus enhanced registers for additional features to support

today’s high bandwidth data communication needs. The

enhanced features include Intel or Motorola data bus

interface to match your CPU interface, automatic hardware

and software flow control to prevent data loss, selectable

RX and TX trigger levels for more efficient interrupt service,

wireless infrared (IrDA) encoder/decoder for wireless

applications and a unique Power-Save mode to increase

battery operating time. The device comes in the 48-TQFP

and very small 32-QFN, 28-QFN and 24-QFN packages in

industrial temperature range.

)

• 16-byte Transmit FIFO

• 16-byte Receive FIFO with Errors Flags

• Selectable RX and TX FIFO Trigger Levels

• Automatic Hardware (RTS/CTS) Flow Control

• Automatic Software (Xon/Xoff) Flow Control

• Up to 3.125 Mbps Data Rate at 5V and 2 Mbps at 3.3V

and 1 Mbps at 2.25V Operation with External Clock Input

• Infrared (IrDA) Encoder/Decoder

• Complete Modem Interface

• Power-Save Mode to conserve battery power

• Sleep Mode with Wake-up Interrupt

APPLICATIONS

• Handheld Terminals and Tablets

• Handheld Computers

• Wireless Portable Point-of-Sale Terminals

• Cellular Phones DataPort

• Small packages: 24-QFN (4x4x0.9mm), 28-QFN

(5x5x0.9mm) and 32-QFN (5x5x0.9mm)

• GPS Devices

• Personal Digital Assistants Modules

• Battery Operated Instruments

• Compatible to standard 48-TQFP packages, without the

following signals: IOR, IOW, CS1, CS2, TXRDY#,

RXRDY#, RCLK, BAUDOUT#, OP1# and OP2#

• Industrial Temperature Grade(-40 to +85^oC)

FIGURE 1. BLOCK DIAGRAM

VCC

(2.25 to 5.5 V)

*5 V Tolerant Inputs

(Except for XTAL1)

PwrSave

A2:A0

GND

D7:D0

IOR#

UART

TX, RX,

16 Byte TX FIFO

IOW# (R/W#)

UART

RTS#, CTS#,

CS#

DTR#, DSR#,

RI#, CD#

Regs

ENDEC

TX & RX

INT (IRQ#)

Intel or

Motorola

Data Bus

Interface

RESET

(RESET#)

16 Byte RX FIFO

BRG

16/68#

XTAL1

XTAL2

Crystal Osc/Buffer

GNugget_BLK

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

12 3 4 5 6 7...52

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与XR16L580IL24相关器件

型号	品牌	获取价格	描述	数据表
XR16L580IL24TR-F	EXAR	获取价格	暂无描述
XR16L580IL28	EXAR	获取价格	SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
XR16L580ILTR-F	EXAR	获取价格	Serial I/O Controller, 1 Channel(s), 0.390625MBps, CMOS, 5 X 5 MM, 0.90 MM HEIGHT, GREEN,
XR16L580IM	EXAR	获取价格	SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
XR16L651	EXAR	获取价格	2.25V TO 5.5V UART WITH 32-BYTE FIFO
XR16L651CM	EXAR	获取价格	2.25V TO 5.5V UART WITH 32-BYTE FIFO
XR16L651CM-F	EXAR	获取价格	Serial I/O Controller, 1 Channel(s), 0.390625MBps, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, GR
XR16L651IM	EXAR	获取价格	2.25V TO 5.5V UART WITH 32-BYTE FIFO
XR16L651IM-F	EXAR	获取价格	Serial I/O Controller, 1 Channel(s), 0.390625MBps, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, GR
XR16L758CQ	EXAR	获取价格	Serial I/O Controller, 8 Channel(s), 0.78125MBps, CMOS, PQFP100, 14 X 20 MM, 3 MM HEIGHT,

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