文档介绍:EVM Application #7
Measuring the
Frequency of an Input
Square Wave Using the
TMS320F240 EVM
APPLICATION REPORT: SPRA416
David Figoli
Digital Signal Processing Solutions
January 1999
IMPORTANT NOTICE
Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or
to discontinue any product or service without notice, and advise customers to obtain the latest
version of relevant information to verify, before placing orders, that information being relied on is
current plete. All products are sold subject to the terms and conditions of sale supplied at
the time of order acknowledgement, including those pertaining to warranty, patent infringement,
and limitation of liability.
TI warrants performance of its semiconductor products to the specifications applicable at the time
of sale in accordance with TI's standard warranty. Testing and other quality control techniques
are utilized to the extent TI deems necessary to support this warranty. Specific testing of all
parameters of each device is not necessarily performed, except those mandated by government
requirements.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE
POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR
ENVIRONMENTAL DAMAGE (“CRITICAL APPLICATIONS"). TI SEMICONDUCTOR
PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR
USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS.
INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT
THE CUSTOMER'S RISK.
In order to minimize risks associated with the customer's applications, adequate design and
operating safeguards must be provided by the customer to minimize inherent or procedural
hazards.
TI assumes no liability for applications assistance or customer product design. TI does not
warrant or represent that any license, either express or implied, is granted under any patent right,
copyright, mask work right, or other inte