xr68c92 Exar Corporation, xr68c92 Datasheet - Page 33

• Manufacturer Part Number: xr68c92
• Description: Xr68c92 -dual Uart With Eight Bytes Transmit And Receive Fifo
• Manufacturer: Exar Corporation

EXPLANATION OF DATA SHEET REVISIONS:
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
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 2005 EXAR Corporation
Datasheet August 2005
Send your UART technical inquiry with technical details to hotline: [e-mail]
Reproduction, in part or whole, without prior written consent of EXAR Corporation is prohibited.
FROM
1.20
1.30
1.31
1.32
Rev. 1.33
TO
1.30
1.31
1.32
1.33
Added and updated Device Status to front page.
Added 5V tolerant input descriptions. Clarified Programming example D.
Clarified SRA, SRB Bit-2 description.
Clarified that 5V tolerant inputs are only for devices with top marking of
"D2" and newer. Devices with top marking of "CC" or newer do not
have 5V tolerant inputs.
Clarified that Extended Baud Rate Tables can only be selected via
MR0A for both channels.
Removed discontinued packages in Ordering Information.
Updated the 1.4mm-thick Quad Flat Pack package description from
"TQFP" to "LQFP" to be consistent with JEDEC and Industry norms.
CHANGES
NOTICE
33
XR68C92/192
August 2003
Sept 2003
February 2005
August 2005
DATE