Datasheet > 微控制器和处理器 > 串行 IO/通信控制器> XR16M2752IL32-F

XR16M2752IL32-F

更新时间： 2024-11-22 11:49:07

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
51页	1119K
描述
1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO

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XR16M2752IL32-F 数据手册

XR16M2752

1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO

AUGUST 2007

REV. 1.0.0

FEATURES

GENERAL DESCRIPTION

•

1.62 to 3.63 Volt Operation

The XR16M2752 (M2752) is a high performance

dual universal asynchronous receiver and transmitter

(UART) with 64 byte TX and RX FIFOs. The device

operates from 1.62 to 3.63 volts and is pin-to-pin

compatible to Exar’s ST16C2552, XR16L2552,

XR16L2752 and XR16V2752. The M2752 register set

is identical to the XR16V2752 and is compatible to

the ST16C2552 and the XR16C2852 enhanced

features. It supports the Exar’s enhanced features of

programmable FIFO trigger level and FIFO level

counters, automatic hardware (RTS/CTS) and

software flow control, automatic RS-485 half duplex

direction control output and a complete modem

interface. Onboard registers provide the user with

operational status and data error flags. An internal

loopback capability allows system diagnostics.

Independent programmable baud rate generators are

provided in each channel to select data rates up to 8

Mbps at 3.3 Volt and 8X sampling clock. The M2752

is available in 44-pin PLCC and 32-pin QFN

packages.

Pin-to-pin compatible to Exar’s XR16L2752

Two independent UART channels

■

Data rate of up to 8 Mbps at 3.3 V

Data rate of up to 6.25 Mbps at 2.5 V

Data rate of up to 4 Mbps at 1.8 V

Fractional Baud Rate Generator

Transmit and Receive FIFOs of 64 bytes

Programmable TX and RX FIFO Trigger Levels

Transmit and Receive FIFO Level Counters

Automatic Hardware (RTS/CTS) Flow Control

Selectable Auto RTS Flow Control Hysteresis

Automatic Software (Xon/Xoff) Flow Control

Automatic RS-485 Half-duplex Direction

Control Output via RTS#

■

Wireless Infrared (IrDA 1.0) Encoder/Decoder

Automatic sleep mode

Full modem interface

OTE: 1 Covered by U.S. Patent #5,649,122

•

Alternate Function Register

APPLICATIONS

Device Identification and Revision

Crystal oscillator or external clock input

•

Portable Appliances

Telecommunication Network Routers

Ethernet Network Routers

Crystal oscillator (up to 24MHz) or external clock

(up to 64MHz) input

Cellular Data Devices

•

44-PLCC and 32-QFN packages

Factory Automation and Process Controls

IGURE 1. XR16M2752 BLOCK DIAGRAM

1.62 V to 3.6 V VCC

GND

A2:A0

D7:D0

IOR#

UART Channel A

IOW#

CS#

CHSEL

TXA (or TXIRA)

64 Byte TX FIFO

UART

Regs

TX & RX

ENDEC

INTA

INTB

BRG

64 Byte RX FIFO

RXA (or RXIRA)

8-bit Data

Bus

Interface

TXRDYA#

TXRDYB#

TXB (or TXIRB)

RXB (or RXIRB)

UART Channel B

(same as Channel A)

MFA#

(OP2A#,

BAUDOUTA#, or

RXRDYA#)

XTAL1

XTAL2

Crystal Osc/Buffer

MFB#

(OP2B#,

BAUDOUTB#, or

RXRDYB#)

CTS#A/B, RI#A/B,

CD#A/B, DSR#A/B

Modem Control Logic

Reset

DTR#A/B, RTS#A/B

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

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与XR16M2752IL32-F相关器件

型号	品牌	获取价格	描述	数据表
XR16M554	EXAR	获取价格	1.62V TO 3.63V QUAD UART WITH 16-BYTE FIFO
XR16M554D	EXAR	获取价格	1.62V TO 3.63V QUAD UART WITH 16-BYTE FIFO
XR16M554DIV64	EXAR	获取价格	1.62V TO 3.63V QUAD UART WITH 16-BYTE FIFO
XR16M554DIV64-F	EXAR	获取价格	Serial I/O Controller, CMOS, PQFP64,
XR16M554IJ68	EXAR	获取价格	1.62V TO 3.63V QUAD UART WITH 16-BYTE FIFO
XR16M554IJ68-F	EXAR	获取价格	暂无描述
XR16M554IL48	EXAR	获取价格	1.62V TO 3.63V QUAD UART WITH 16-BYTE FIFO
XR16M554IL48-F	EXAR	获取价格	暂无描述
XR16M554IV64	EXAR	获取价格	1.62V TO 3.63V QUAD UART WITH 16-BYTE FIFO
XR16M554IV64-F	EXAR	获取价格	暂无描述

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