ST16C654D Exar Corporation, ST16C654D Datasheet - Page 49

• Manufacturer Part Number: ST16C654D
• Description: St16c654d -quad Uart With 64-byte Fifo And Infrared Irda Encoder/decoder
• Manufacturer: Exar Corporation

REVISION HISTORY
xr
REV. 5.0.2
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 2005 EXAR Corporation
Datasheet August 2005.
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.
October 2003
March 2005
August 2005
D
ATE
Rev 5.00
Rev 5.0.1
Rev 5.0.2
R
EVISION
Changed to standard style single-column format. Text descriptions were clarified and
simplified (eg. DMA operation, FIFO mode vs. Non-FIFO mode operations etc). Clari-
fied timing diagrams. Renamed Rclk (Receive Clock) to Bclk (Baud Clock) and timing
symbols. Added T
Added separate spec for External Clock Frequency in AC Electrical Characteristics.
Updated the 1.4mm-thick Quad Flat Pack package description from "TQFP" to
"LQFP" to be consistent with JEDEC and Industry norms.
CS
NOTICE
, T
49
RWS
2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
and T
RST
D
.Renamed FIFORdy register to FSTAT register.
ESCRIPTION
ST16C654/654D