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參數(shù)資料
型號(hào)： XR16V2550IM-0B-EB
廠商： Exar Corporation
文件頁(yè)數(shù)： 1/46頁(yè)
文件大小： 0K
描述： EVAL BOARD FOR V2550 48TQFP
標(biāo)準(zhǔn)包裝： 1
系列： *
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
XR16V2550
HIGH PERFORMANCE DUART WITH 16-BYTE FIFO
JULY 2012
REV. 1.0.3
GENERAL DESCRIPTION
The XR16V25501 (V2550) is a high performance dual
universal asynchronous receiver and transmitter
(UART) with 16 bytes TX and RX FIFOs. The device
operates from 2.25 to 3.6 volts with 5 Volt tolerant
inputs and is pin-to-pin compatible to Exar’s
ST16C2550 and XR16C2550. The V2550 register set
is compatible to the ST16C2550 and the XR16L2550.
It supports Exar’s enhanced features of selectable
FIFO trigger level, automatic hardware (RTS/CTS)
and software 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.
Independent programmable baud rate generators are
provided in each channel to select data rates up to 16
Mbps at 3.3 Volt with 4X sampling clock. The V2550
is available in 48-pin TQFP and 32-pin QFN
packages.
NOTE: 1 Covered by U.S. Patent #5,649,122
APPLICATIONS
Portable Appliances
Telecommunication Network Routers
Ethernet Network Routers
Cellular Data Devices
Factory Automation and Process Controls
FEATURES
2.25 to 3.6 Volt Operation
5 Volt Tolerant Inputs
Pin-to-pin compatible to ST16C2550, XR16C2550
and XR16L2550 in the 48-TQFP package
Two independent UART channels
■ Register set compatible to XR16L2550
■ Data rate of up to 16 Mbps at 3.3 V, and 12.5
Mbps at 2.5 V with 4X sampling rate
■ Fractional Baud Rate Generator
■ Transmit and Receive FIFOs of 16 bytes
■ Selectable TX and RX FIFO Trigger Levels
■ Automatic Hardware (RTS/CTS) Flow Control
■ Automatic Software (Xon/Xoff) Flow Control
■ Wireless Infrared (IrDA 1.0) Encoder/Decoder
■ Automatic sleep mode
■ Full modem interface
Device Identification and Revision
Crystal oscillator (up to 32MHz) or external clock
(up to 64MHz) input
48-TQFP and 32-QFN packages
FIGURE 1. XR16V2550 BLOCK DIAGRAM
XTAL1
XTAL2
Crystal Osc/Buffer
TXA, RXA, DTRA#,
DSRA#, RTSA#,
DTSA#, CDA#, RIA#,
OP2A#
8-bit Data
Bus
Interface
UART Channel A
16 Byte TX FIFO
BRG
IR
ENDEC
TX & RX
UART
Regs
2.25 to 3.6 Volt VCC
GND
* 5 Volt Tolerant Inputs
TXB, RXB, DTRB#,
DSRB#, RTSB#,
CTSB#, CDB#, RIB#,
OP2B#
UART Channel B
(same as Channel A)
A2:A0
D7:D0
CSA#
CSB#
INTA
INTB
IOW#
IOR#
Reset
TXRDYA#
TXRDYB#
RXRDYA#
RXRDYB#
16 Byte RX FIFO
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參數(shù)描述
XR16V2550IM-F 功能描述:UART 接口集成電路 2.5V-3.6V 16B FIFO temp -45 to 85C;UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16V2550IMTR-F 制造商:Exar Corporation 功能描述:UART 2-CH 16Byte FIFO 2.5V/3.3V 48-Pin TQFP T/R 制造商:Exar Corporation 功能描述:XR16V2550IMTR-F
XR16V2551 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 16-BYTE FIFO AND POWERSAVE FEATURE
XR16V2551_07 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 16-BYTE FIFO AND POWERSAVE FEATURE
XR16V2551IL 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
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