Datasheet > XR16M554IV80-F

XR16M554IV80-F

更新时间： 2024-11-22 20:11:19

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
46页	346K
描述
Serial I/O Controller, CMOS, PQFP80,

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XR16M554IV80-F 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	QFP, QFP80,.55SQ,20	Reach Compliance Code：	compliant
风险等级：	5.79	Base Number Matches：	1

XR16M554IV80-F 数据手册

XR16M554/554D

1.62V TO 3.63V QUAD UART WITH 16-BYTE FIFO

MAY 2008

REV. 1.0.0

FEATURES

GENERAL DESCRIPTION

•

Pin-to-pin compatible with ST16C454, ST16C554,

TI’s TL16C554A and NXP’s SC16C554B

The XR16M554 (M554) is

quad Universal

Asynchronous Receiver and Transmitter (UART) with

16 bytes of transmit and receive FIFOs, selectable

receive FIFO trigger levels and data rates of up to 4

Mbps at 3.3 V. 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 M554 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 XR16M554IV (64-pin) offers three

state interrupt output while the XR16M554DIV

provides continuous interrupt output. The XR16M554

is compatible with the industry standard ST16C554.

•

Intel or Motorola Data Bus Interface select

Four independent UART channels

■

Data rates of up to 4 Mbps at 3.3 V, 3.125

Mbps at 2.5 V and 2 Mbps at 1.8 V

■

16 byte Transmit FIFO

16 byte Receive FIFO with error tags

4 Selectable RX FIFO Trigger Levels

Full modem interface

•

1.62V to 3.63V supply operation

Crystal oscillator or external clock input

APPLICATIONS

•

Portable Appliances

Telecommunication Network Routers

Ethernet Network Routers

Cellular Data Devices

Factory Automation and Process Controls

IGURE 1. XR16M554 BLOCK

IAGRAM

1.62 V to 3.6 V VCC

GND

A2:A0

D7:D0

IOR#

UART Channel A

16 Byte TX FIFO

UART

Regs

TXA, RXA, DTRA#,

DSRA#, RTSA#, CTSA#,

CDA#, RIA#

IOW#

CSA#

CSB#

TX & RX

BRG

16 Byte RX FIFO

CSC#

CSD#

TXB, RXB, DTRB#,

UART Channel B

DSRB#, RTSB#, CTSB#,

(same as Channel A)

INTA

Data Bus

Interface

CDB#, RIB#

INTB

INTC

TXC, RXC, DTRC#,

DSRC#, RTSC#, CTSC#,

CDC#, RIC#

UART Channel C

(same as Channel A)

INTD

TXRDY#A-D

RXRDY#A-D

Reset

TXD, RXD, DTRD#,

DSRD#, RTSD#, CTSD#,

CDD#, RID#

UART Channel D

(same as Channel A)

16 68#

XTAL1

XTAL2

Crystal Osc Buffer

INTSEL

554BLK

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

12 3 4 5 6 7...46

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与XR16M554IV80-F相关器件

型号	品牌	获取价格	描述	数据表
XR16M564	EXAR	获取价格	1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO
XR16M564D	EXAR	获取价格	1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO
XR16M564DIV-0A-EVB	ETC	获取价格	EVAL BRD FOR XR16M654D-A 64LQFP
XR16M564DIV-0B-EVB	EXAR	获取价格	EVAL BRD FOR XR16M654D-B 64LQFP
XR16M564DIV64	EXAR	获取价格	1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO
XR16M564DIV64-F	EXAR	获取价格	IC UART FIFO 32B QUAD 64LQFP
XR16M564DIV64TR-F	EXAR	获取价格	IC UART FIFO 32B QUAD 64LQFP
XR16M564IJ-0A-EVB	EXAR	获取价格	EVAL BOARD FOR XR16M654-A 68PLCC
XR16M564IJ-0B-EVB	ETC	获取价格	EVAL BOARD FOR XR16M654-B 68PLCC
XR16M564IJ68	EXAR	获取价格	1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO

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