ST16C2552CJ44 EXAR [Exar Corporation], ST16C2552CJ44 Datasheet - Page 34

• Manufacturer Part Number: ST16C2552CJ44
• Description: 2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

ST16C2552
2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
Revision History
February 2002
March 2002
September 2003
October 2006
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 2006 EXAR Corporation
Datasheet October 2006.
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.
D
ATE
4.0
4.1
4.2
4.2.1
R
EVISION
Changed to standard style format. Text descriptions were clarified and simpli-
fied (eg. DMA operation, FIFO mode vs. Non-FIFO mode operations etc).
Clarified timing diagrams. Renamed Rclk (Receive Clock) to Bclk (Baud
Clock) and timing symbols. Added T
Minor clarifications in text descriptions. Changed A0-A7 in Figures
to A0-A2.
Changed to single column format. Corrected A2 and A0 pin numbers in Pin
Descriptions. Added Device Status to Ordering Information.
markings of "A2 YYWW" and newer have 5V tolerant inputs. Devices with top mark-
ings of "CC YYWW" and older do not have 5V tolerant inputs.
Corrected ordering information. Added third digit to Revision Number.
NOTICE
34
D
ESCRIPTION
AH
, T
CS
and OSC.
Devices with top
14
REV. 4.2.1
and
15