Datasheet > XR68M752IL32-F

XR68M752IL32-F

更新时间： 2024-01-21 19:24:27

品牌	Logo	应用领域
艾科嘉 - EXAR		通信时钟数据传输外围集成电路
页数	文件大小	规格书
54页	581K
描述
Serial I/O Controller, 2 Channel(s), 2MBps, CMOS, 5 X 5 MM, 0.90 MM HEIGHT, GREEN, QFN-32

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XR68M752IL32-F 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	HVQCCN,	Reach Compliance Code：	compliant
HTS代码：	8542.31.00.01	风险等级：	5.76
其他特性：	ALSO OPERATES AT 1.8V OR 2.5V SUPPLY	地址总线宽度：	3
边界扫描：	NO	最大时钟频率：	64 MHz
通信协议：	ASYNC, BIT	最大数据传输速率：	2 MBps
外部数据总线宽度：	8	JESD-30 代码：	S-XQCC-N32
JESD-609代码：	e3	长度：	5 mm
低功率模式：	YES	湿度敏感等级：	2
串行 I/O 数：	2	端子数量：	32
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	1 mm	最大供电电压：	3.63 V
最小供电电压：	2.97 V	标称供电电压：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	5 mm	uPs/uCs/外围集成电路类型：	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL

XR68M752IL32-F 数据手册

XR16M752/XR68M752

HIGH PERFORMANCE DUART WITH 64-BYTE FIFO

JUNE 2009

REV. 1.1.1

FEATURES

GENERAL DESCRIPTION

• 1.62 to 3.6 Volt Operation

The XR16M752/XR68M752 (M752) is a high

• Pin-to-pin and software compatible to TI’s

TL16C752B and Philips’ SC16C752B in the 48-

TQFP package

performance dual universal asynchronous receiver

and transmitter (UART) with 64 byte TX and RX

FIFOs. The M752 operates from 1.62 to 3.63 volts. It

is pin-to-pin and software compatible to the

TL16C752B and SC16C752B, but with additional

features such as a programmable fractional baud rate

generator, automatic RS-485 half-duplex direction

control, infrared mode and 8X and 4X sampling rate.

The standard features include 16 selectable TX and

RX FIFO trigger levels, automatic hardware (RTS/

CTS) and software (Xon/Xoff) flow control, and a

complete modem interface. Onboard registers

provide the user with operational status and data

error flags. An internal loopback capability allows

system diagnostics. Each channel is independently

programmable for data rates up to 16 Mbps at 3.3V

with a 4X sampling rate. The XR68M752 has an

additional 16/68# pin to select between the Intel and

Motorola bus interface. The M752 is available in the

48-pin TQFP, 32-pin QFN and 49-pin STBGA

packages.

• Two independent UART channels

■ Data rate of up to 16 Mbps at 3.3 V

■ Data rate of up to 12.5 Mbps at 2.5 V

■ Data rate of up to 8 Mbps at 1.8 V

■ Fractional Baud Rate Generator

■ Data sampling rates of 16X, 8X and 4X

■ Transmit and Receive FIFOs of 64 bytes

■ Programmable TX and RX FIFO Trigger Levels

■ Automatic Hardware (RTS/CTS) Flow Control

■ Automatic Software (Xon/Xoff) Flow Control

■ Halt and Resume Transmission Control

■ Automatic RS-485 Half-duplex Direction

Control Output via RTS#

■ Wireless Infrared (IrDA 1.0) Encoder/Decoder

■ Automatic sleep mode

■ Full modem interface

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

• Crystal oscillator (up to 24MHz) or external clock

(up to 64MHz) input

APPLICATIONS

• 48-TQFP, 32-QFN and 49-STBGA packages

• Portable Appliances

• Telecommunication Network Routers

• Ethernet Network Routers

• Cellular Data Devices

• Factory Automation and Process Controls

FIGURE 1. XR16M752 BLOCK DIAGRAM

1.62 to 3.63 Volt VCC

A2:A0

D7:D0

GND

IOR# (NC)

IOW# (R/W#)

UART Channel A

TXA, RXA, DTRA#,

64 Byte TX FIFO

CSA# (CS#)

CSB# (A3)

UART

Regs

DSRA#, RTSA#,

DTSA#, CDA#, RIA#,

OP2A#

TX & RX

ENDEC

8-bit Data

Bus

Interface

INTA (IRQ#)

INTB (NC)

BRG

64 Byte RX FIFO

TXRDYA#

TXRDYB#

RXRDYA#

RXRDYB#

TXB, RXB, DTRB#,

DSRB#, RTSB#,

CTSB#, CDB#, RIB#,

OP2B#

UART Channel B

(same as Channel A)

Reset/Reset#

16/68#

XTAL1

XTAL2

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...54

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