XR16V654IJ-F datasheet, PDF - EEWORLD Datasheet

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XR16V654IJ-F: DescriptionUART Interface IC UART; CategoryThe embedded processor and controller Microcontrollers and processors; File Size451KB，58 Pages; ManufacturerExar; Environmental Compliance

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XR16V654IJ-F Overview

UART Interface IC UART

XR16V654IJ-F Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Exar
Parts packaging code	LCC
package instruction	QCCJ, LDCC68,1.0SQ
Contacts	68
Reach Compliance Code	compliant
Other features	ALSO OPERATES AT 2.5V SUPPLY @ 50MHZ
Address bus width	3
boundary scan	NO
maximum clock frequency	64 MHz
letter of agreement	ASYNC, BIT
Maximum data transfer rate	2 MBps
External data bus width	8
JESD-30 code	S-PQCC-J68
JESD-609 code	e3
length	24.23 mm
low power mode	YES
Number of serial I/Os	4
Number of terminals	68
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	QCCJ
Encapsulate equivalent code	LDCC68,1.0SQ
Package shape	SQUARE
Package form	CHIP CARRIER
Peak Reflow Temperature (Celsius)	260
power supply	2.5/3.3 V
Certification status	Not Qualified
Maximum seat height	5.08 mm
Maximum supply voltage	3.63 V
Minimum supply voltage	2.97 V
Nominal supply voltage	3.3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	J BEND
Terminal pitch	1.27 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	40
width	24.23 mm
uPs/uCs/peripheral integrated circuit type	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL
Base Number Matches	1

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XR16V654/654D

2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO

SEPTEMBER 2007

REV. 1.0.2

GENERAL DESCRIPTION

The XR16V654

(V654) is an enhanced quad

Universal Asynchronous Receiver and Transmitter

(UART) each with 64 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 V654 is available in a 48-

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

and 100-pin QFP packages. The 64-pin and 80-pin

packages only offer the 16 mode interface, but the

48, 68 and 100 pin packages offer an additional 68

mode interface which allows easy integration with

Motorola processors. The XR16V654IV (64-pin)

offers three state interrupt output while the

XR16V654DIV provides continuous interrupt output.

The 100 pin package provides additional FIFO status

outputs (TXRDY# and RXRDY# A-D), separate

infrared transmit data outputs (IRTX A-D) and

channel C external clock input (CHCCLK). The

XR16V654 is compatible with the industry standard

ST16C554 and ST16C654/654D.

OTE

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

FEATURES

•

Pin-to-pin compatible with ST16C454, ST16C554,

TI’s TL16C754B and Philip’s SC16C654B

•

Intel or Motorola Data Bus Interface select

•

Four independent UART channels

■

Data rates of up to 16 Mbps

64 Byte Transmit FIFO

64 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

Progammable 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

•

Portable Appliances

•

Telecommunication Network Routers

•

Ethernet Network Routers

•

Cellular Data Devices

•

Factory Automation and Process Controls

IGURE

1. XR16V654 B

LOCK

IAGRAM

* 5 Volt Tolerant Inputs

(Except XTAL1 input)

UART Channel A

UART 64 Byte TX FIFO

Regs

BRG

TX & RX

ENDEC

64 Byte RX FIFO

TXB, RXB, IRTXB, DTRB#,

DSRB#, RTSB#, CTSB#,

CDB#, RIB#

TXC, RXC, IRTXC, DTRC#,

DSRC#, RTSC#, CTSC#,

CDC#, RIC#

TXD, RXD, IRTXD, DTRD#,

DSRD#, RTSD#, CTSD#,

CDD#, RID#

XTAL1

XTAL2

2.25V to 3.6V VCC

GND

A2:A0

D7:D0

IOR#

IOW#

CSA#

CSB#

CSC#

CSD#

INTA

INTB

INTC

INTD

CHCCLK

TXRDY# A-D

RXRDY# A-D

Reset

16/68#

INTSEL

CLKSEL

TXA, RXA, IRTXA, DTRA#,

DSRA#, RTSA#, CTSA#,

CDA#, RIA#

Data Bus

Interface

UART Channel B

(same as Channel A)

UART Channel C

(same as Channel A)

UART Channel D

(same as Channel A)

Crystal Osc/Buffer

654 BLK

Exar

Corporation 48720 Kato Road, Fremont CA, 94538

•

(510) 668-7000

•

FAX (510) 668-7017

•

www.exar.com

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