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AN205320 - FR Family, MB9146 Microcontroller Software Watchdog | Cypress Semiconductor

AN205320 - FR Family, MB9146 Microcontroller Software Watchdog

Last Updated: 
Aug 02, 2017
Version: 
*B

This application note describes the functionality of the Watchdog Timer and Watchdog Reset with examples. The Watchdog is an up-counting Timer which has to be cleared in a given time interval. Otherwise a reset is performed. It can be used for restarting an application, if the program gets stuck.

This content contains information on Cypress products that have been migrated from Spansion's website in conjunction with our merger. Although marked with the name of the company that developed the material (Spansion or Fujitsu), Cypress continues to offer the content to our customers. There is no change to this information as a result of this migration. Future revisions will occur when appropriate, and changes will be noted in the revision history.