SPRUIT5 April 2021 TMS320F280021 , TMS320F280021-Q1 , TMS320F280023 , TMS320F280023-Q1 , TMS320F280023C , TMS320F280025 , TMS320F280025-Q1 , TMS320F280025C , TMS320F280025C-Q1
A basic test of the internal watchdog operation can be performed via software including checking of error response by configuring the expected lower and higher threshold value for servicing WDKEY followed by servicing or not servicing the WDKEY during the programmed threshold values. If a reset is detrimental to the system operation, the test can be performed by configuring the internal watchdog in Interrupt mode (SCSR.WDENINT) and reverting back to reset mode after completion of the test.