The rst_wdsel register determines which subsystems are reset when the watchdog is triggered.
The watchdog can be triggered in software.
ENABLE
reader - When not enabled the watchdog timer is pausedENABLE
writer - When not enabled the watchdog timer is pausedPAUSE_DBG0
reader - Pause the watchdog timer when processor 0 is in debug modePAUSE_DBG0
writer - Pause the watchdog timer when processor 0 is in debug modePAUSE_DBG1
reader - Pause the watchdog timer when processor 1 is in debug modePAUSE_DBG1
writer - Pause the watchdog timer when processor 1 is in debug modePAUSE_JTAG
reader - Pause the watchdog timer when JTAG is accessing the bus fabricPAUSE_JTAG
writer - Pause the watchdog timer when JTAG is accessing the bus fabricCTRL
readerTIME
reader - Indicates the number of ticks / 2 (see errata RP2040-E1) before a watchdog reset will be triggeredTRIGGER
reader - Trigger a watchdog resetTRIGGER
writer - Trigger a watchdog resetCTRL
writer