Microchip Technology Inc
Menu

Windowed Watch Dog Timer (WWDT)

The Windowed Watch Dog Timer is a system supervisory circuit that generates a reset when software anomalies are detected within a configurable critical window.

Features

  • Detects software timing anomalies within a configurable critical window
  • Supports standard watch dog timer functions
  • Resets the CPU if...
    • the WWDT overflows (standard WDT function)
    • the WWDT underflows

Benefits

  • Monitors timing critical functions
  • Eases implementation of safety standards (ex. Class B, UL, etc.)
  • Core independent operation
  • Operation while in low power SLEEP
Windowed Watch Dog Timer (WWDT)
Tabs / WWDT
Devices
Documentation

8-Bit Video Channel