Module stm32h7xx_hal::stm32::iwdg::kr [−][src]
Key register
Structs
| KEY_W | Write proxy for field |
Enums
| KEY_AW | Key value (write only, read 0x0000) These bits must be written by software at regular intervals with the key value 0xAAAA, otherwise the watchdog generates a reset when the counter reaches 0. Writing the key value 0x5555 to enable access to the IWDG_PR, IWDG_RLR and IWDG_WINR registers (see Section23.3.6: Register access protection) Writing the key value CCCCh starts the watchdog (except if the hardware watchdog option is selected) |
Type Definitions
| W | Writer for register KR |