TECHGuru

  Watchdog timers (WDTs) is an electronic device or electronic timer designed to prevent system failures by detecting and recovering from the computer malfunctions. Computer malfunctions were often happens due to any software or hardware fault and from overcoming these unresponsive situations watchdog timers plays a crucial role by rebooting the processor. These are self-contained hardware devices integrated to external circuits to the processor that can detect and trigger a processor reset if required. The   watchdog timers market   are designed to count down from some initial value to zero during unresponsive situation. The watchdog timer asserts the reset command when the counter reaches zero before the computer recovers. The computer processor periodically sends a signal to the watchdog timer to specify that the system software is working properly. If the watchdog timer doesn’t receive this signal within a fixed time frame, the watchdog timer affirms a reset command. ...