XR16M780IB25-F

更新时间： 2024-11-22 13:16:11

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
58页	1184K
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XR16M780IB25-F 数据手册

XR16M780

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

SEPTEMBER 2008

REV. 1.0.0

FEATURES

GENERAL DESCRIPTION

•

Pin-to-pin compatible with XR16L580 in 32-QFN

and 48-TQFP packages

The XR16M780 (M780) is an enhanced Universal

Asynchronous Receiver and Transmitter (UART) 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 3.3V, 12.5 Mbps at

2.5V and 7.5 Mbps at 1.8V with 4X data sampling

rate.

•

Intel or Motorola Bus Interface select

16Mbps maximum data rate

Programmable TX/RX FIFO Trigger Levels

TX/RX FIFO Level Counters

Independent TX/RX Baud Rate Generator

Fractional Baud Rate Generator

The Auto RS-485 Half-Duplex Direction control

feature simplifies both the hardware and software for

half-duplex RS-485 applications. In addition, the

Multidrop mode with Auto Address detection

increases the performance by simplifying the

software routines.

Auto RTS/CTS Hardware Flow Control

Auto XON/XOFF Software Flow Control

Auto RS-485 Half-Duplex Direction Control

Multidrop mode w/ Auto Address Detect

Sleep Mode with Automatic Wake-up

PowerSave mode

The Independent TX/RX Baud Rate Generator

feature allows the transmitter and receiver to operate

at different baud rates. Power consumption of the

M780 can be minimized by enabling the sleep mode

and PowerSave mode.

Infrared (IrDA 1.0 and 1.1) mode

1.62V to 3.63V supply operation

Crystal oscillator or external clock input

The M780 has a 16550 compatible register set that

provide users with operating status and control,

receiver error indications, and modem serial interface

controls. An internal loopback capability allows

onboard diagnostics. The M780 is available in 32-pin

QFN, 48-pin TQFP and 25-pin BGA packages. All

three packages offer both the 16 mode (Intel bus)

interface and the 68 mode (Motorola bus) interface

which allows easy integration with Motorola

processors.

APPLICATIONS

•

Personal Digital Assistants (PDA)

Cellular Phones/Data Devices

Battery-Operated Devices

Global Positioning System (GPS)

Bluetooth

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

IGURE 1. XR16M780 BLOCK DIAGRAM

VCC

(1.62 to 3.63 V)

PwrSave

A2:A0

GND

D7:D0

IOR#

UART

TX, RX,

IOW# (R/W#)

CS#

64 Byte TX FIFO

UART

Regs

RTS#, CTS#,

DTR#, DSR#,

RI#, CD#

TX &

ENDEC

INT (IRQ#)

Intel or

Motorola

Data Bus

Interface

RESET

(RESET#)

64 Byte RX FIFO

BRG

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...58

中文翻译

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与XR16M780IB25-F相关器件

型号	品牌	获取价格	描述	数据表
XR16M780IL32	EXAR	获取价格	1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
XR16M780IL32-F	EXAR	获取价格	Serial I/O Controller, CMOS, PQCC32
XR16M780IM48	EXAR	获取价格	1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
XR16M780IM48-F	EXAR	获取价格	Serial I/O Controller, CMOS, PQFP48
XR16M781	EXAR	获取价格	1.62V TO 3.63V UART WITH 64-BYTE FIFO AND VLIO INTERFACE
XR16M781IB25	EXAR	获取价格	1.62V TO 3.63V UART WITH 64-BYTE FIFO AND VLIO INTERFACE
XR16M781IB25-F	EXAR	获取价格	Serial I/O Controller, CMOS, PBGA25
XR16M781IL24	EXAR	获取价格	1.62V TO 3.63V UART WITH 64-BYTE FIFO AND VLIO INTERFACE
XR16M781IL24-F	EXAR	获取价格	Serial I/O Controller, CMOS, PQCC24,
XR16M781IL32	EXAR	获取价格	1.62V TO 3.63V UART WITH 64-BYTE FIFO AND VLIO INTERFACE

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