常见问答

What is the main function of Window Watchdog Timer (WWDT)? Issue Date：2016-11-29

The Window Watchdog Timer (WWDT) protects the entire system by restarting the chip when the program is unable to control due to unexpected errors during the execution of the program and the WWDT counter is reset incorrectly.
The WWDT has a 6-bit counter, and a settable Reload Window. During operation, the WWDT will ask the program to reset the counter in the Reload Window. When the program does not reset the counter in the Reload Window, or the counter counts down to 0, the program is in an uncontrollable state; at this time, the WWDT will restart the system, as shown below:

Products:	Microcontrollers ,8bit 8051 MCUs ,Low Pin Count 8051 Series ,Standard 8051 Series ,Arm Cortex-M0 MCUs ,M051 Base Series ,M0518 Series ,M0519 Series ,Mini51 Base Series ,Nano100/102 Base Series ,Nano103 Base Series ,Nano110/112 LCD Series ,Nano120 USB Series ,Nano130 Advanced Series ,NUC029 Series ,NUC100/200 Advanced Series ,NUC120/122/123/220 USB Series ,NUC130/230 CAN Series ,NUC131/NUC1311 CAN Series ,NUC140/240 Connectivity Series ,Arm Cortex-M4 MCUs ,M451 Base Series ,M451M Series ,M452 USB Series ,M453 CAN Series ,M4TK Touch Key Series ,NUC442/472 Series ,NUC505 Series
Applications:
Function:	Peripherals,System Operation,Reset,Timer and PWM,Window Watchdog Timer (WWDT)

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常见问答

What is the main function of Window Watchdog Timer (WWDT)? Issue Date：2016-11-29

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