Datasheet > 微控制器和处理器 > 串行 IO/通信控制器> XR16V564D

XR16V564D

更新时间： 2024-11-22 04:23:31

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
55页	1146K
描述
2.25V TO 3.6V QUAD UART WITH 32-BYTE FIFO

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XR16V564D 数据手册

XR16V564/564D

2.25V TO 3.6V QUAD UART WITH 32-BYTE FIFO

MAY 2007

REV. 1.0.1

FEATURES

GENERAL DESCRIPTION

• Pin-to-pin compatible with ST16C454, ST16C554,

TI’s TL16C754B and Philip’s SC16C754B

The XR16V564 (V564) is an enhanced quad

Universal Asynchronous Receiver and Transmitter

(UART) with 32 bytes of transmit and receive FIFOs,

programmable transmit and receive FIFO trigger

levels, automatic hardware and software flow control,

and data rates of up to 16 Mbps at 4X sampling rate.

Each UART has a set of registers that provide the

user with operating status and control, receiver error

indications, and modem serial interface controls. An

internal loopback capability allows onboard

diagnostics. The V564 is available in a 48-pin QFN,

64-pin LQFP, 68-pin PLCC and 80-pin LQFP

packages. The 64-pin and 80-pin packages only offer

the 16 mode interface, but the 48 and 68 pin

packages offer an additional 68 mode interface which

allows easy integration with Motorola processors.

The XR16V564IV (64-pin) offers three state interrupt

output while the XR16V564DIV provides continuous

interrupt output. The XR16V564 is compatible with

the industry standard ST16C554 and ST16C654/

654D.

• Intel or Motorola Data Bus Interface select

• Four independent UART channels

■ Register Set Compatible to 16C550

■ Data rates of up to 16 Mbps

■ 32 byte Transmit FIFO

■ 32 byte Receive FIFO with error tags

■ 4 Selectable TX and RX FIFO Trigger Levels

■ Automatic Hardware (RTS/CTS) Flow Control

■ Automatic Software (Xon/Xoff) Flow Control

■ Programmable Xon/Xoff characters

■ Wireless Infrared (IrDA 1.0) Encoder/Decoder

■ Full modem interface

• 2.25V to 3.6V supply operation

• Sleep Mode with automatic wake-up

• Crystal oscillator or external clock input

APPLICATIONS

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

• Portable Appliances

• Telecommunication Network Routers

• Ethernet Network Routers

• Cellular Data Devices

• Factory Automation and Process Controls

FIGURE 1. XR16V564 BLOCK DIAGRAM

2.25V to 3.6V VCC

GND

* 5 Volt Tolerant Inputs

(Except XTAL1 input)

A2:A0

D7:D0

IOR#

UART Channel A

32 Byte TX FIFO

UART

Regs

TXA, RXA, DTRA#,

DSRA#, RTSA#, CTSA#,

CDA#, RIA#

IOW#

CSA#

CSB#

TX & RX

ENDEC

BRG

32 Byte RX FIFO

CSC#

CSD#

INTA

INTB

INTC

TXB, RXB, DTRB#,

DSRB#, RTSB#, CTSB#,

CDB#, RIB#

UART Channel B

(same as Channel A)

Data Bus

Interface

TXC, RXC, DTRC#,

DSRC#, RTSC#, CTSC#,

CDC#, RIC#

UART Channel C

(same as Channel A)

INTD

TXRDY# A-D

RXRDY# A-D

TXD, RXD, DTRD#,

DSRD#, RTSD#, CTSD#,

CDD#, RID#

UART Channel D

(same as Channel A)

Reset

16/68#

INTSEL

CLKSEL

XTAL1

XTAL2

Crystal Osc/Buffer

564 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...55

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与XR16V564D相关器件

型号	品牌	获取价格	描述	数据表
XR16V564DIV	EXAR	获取价格	2.25V TO 3.6V QUAD UART WITH 32-BYTE FIFO
XR16V564DIV-0A-EB	EXAR	获取价格	EVAL BOARD FOR XR16V564D 64LQFP
XR16V564DIV-F	EXAR	获取价格	IC UART FIFO 32B QUAD 64LQFP
XR16V564DIVTR-F	EXAR	获取价格	Serial I/O Controller, CMOS, PQFP64
XR16V564IJ	EXAR	获取价格	2.25V TO 3.6V QUAD UART WITH 32-BYTE FIFO
XR16V564IJ-0A-EVB	EXAR	获取价格	EVAL BOARD FOR XR16V564 68PLCC
XR16V564IJ-F	EXAR	获取价格	Serial I/O Controller, 4 Channel(s), 2MBps, CMOS, PQCC68, GREEN, PLASTIC, LCC-68
XR16V564IJTR-F	EXAR	获取价格	Serial I/O Controller, CMOS, PQCC68
XR16V564IL	EXAR	获取价格	2.25V TO 3.6V QUAD UART WITH 32-BYTE FIFO
XR16V564IL-0A-EVB	EXAR	获取价格	EVAL BOARD FOR XR16V564 48QFN

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