XR17V358 Datasheet, PDF (68/68 Pages) Exar Corporation – HIGH PERFORMANCE OCTAL PCI EXPRESS UART

XR17V358
PRELIMINARY
HIGH PERFORMANCE OCTAL PCI EXPRESS UART
REVISION HISTORY
REV. P1.0.2
DATE
May 2008
October 2008
February 2009
February 2009
February 2009
April 2009
April 2009
July 2009
REVISION
A1.0.0
A1.0.1
A1.0.2
A1.0.3
A1.0.4
P1.0.0
P1.0.1
P1.0.2
DESCRIPTION
Advanced Datasheet.
Updated pin descriptions and UART Register Set. XTAL1 and XTAL2 pins
have been removed. Only the internal 125MHz clock can be used to gener-
ate the baud rates. See Table 11.
Added pinout and pin numbers. Updated descriptions on Sleep mode condi-
tions, EEPROM, Baud Rate Generator, and MPIOs.
Clarified 8XMODE, 4XMODE, RESET, and SLEEP register descriptions.
Added references to 62.5MHz clock (slave) for BRG and Timer/Counter.
Added description for Normal Multidrop and Auto Address Detect Mode.
Added package dimensions drawing.
Preliminary Datasheet.
Fixed typo in Pin Descriptions. G12 should be "VCC12" as shown in
Figure 2 and not "VCC33".
Added preliminary DC Electrical Characteristics. Clarified VCC33 and
VCC12 pin descriptions.
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 2009 EXAR Corporation
Datasheet July 2009.
Send your UART technical inquiry with technical details to hotline: [e-mail].
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
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