DATE REVISION D
參數(shù)資料
型號(hào)： XR20V2170IL40-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 44/49頁(yè)
文件大?。?/td> 0K
描述： IC UART/TXRX I2C/SPI RS232 40QFN
標(biāo)準(zhǔn)包裝： 490
特點(diǎn)： *
通道數(shù)： 1，UART
FIFO's： 64 字節(jié)
規(guī)程： RS232
電源電壓： 2.97 V ~ 3.63 V
帶自動(dòng)流量控制功能： 是
帶故障啟動(dòng)位檢測(cè)功能： 是
帶調(diào)制解調(diào)器控制功能： 是
帶CMOS： 是
安裝類型： 表面貼裝
封裝/外殼： 40-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 40-QFN 裸露焊盤（6x6）
包裝： 托盤
其它名稱： 1016-1478
XR20V2170IL40-F-ND
REVISION HISTORY
DATE
REVISION
DESCRIPTION
October 2006
P1.0.0
Preliminary Datasheet.
December 2006
P1.0.1
Updated Package Drawing and Diagrams. Added I2C/SPI timing diagrams.
January 2007
P1.0.2
Corrected pinout and pin descriptions on pages 2-4.
June 2007
1.0.0
Final Datasheet. Corrected IEC spec # on page 1.
June 2011
1.0.1
Removed “DMA mode” since this is a legacy feature that is not supported in this
device. Added and updated maximum SPI clock frequency to the AC Electrical Char-
acteristics table for SPI-Bus Timing. Updated ordering information.
49
NOTICE
EXAR Corporation reserves the right to make changes to the products contained in this publication in order to
improve design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any
circuits described herein, conveys no license under any patent or other right, and makes no representation that
the circuits are free of patent infringement. Charts and schedules contained here in are only for illustration
purposes and may vary depending upon a user’s specific application. While the information in this publication
has been carefully checked; no responsibility, however, is assumed for inaccuracies.
EXAR Corporation does not recommend the use of any of its products in life support applications where the
failure or malfunction of the product can reasonably be expected to cause failure of the life support system or
to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless
EXAR Corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has
been minimized; (b) the user assumes all such risks; (c) potential liability of EXAR Corporation is adequately
protected under the circumstances.
Copyright 2011 EXAR Corporation
Datasheet June 2011.
Send your UART technical inquiry with technical details to hotline: uarttechsupport@exar.com.
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
XR20V2170
REV. 1.0.1
I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
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