U5021M Description
The digital window watchdog timer, U5021M, is a CMOS integrated circuit. In applications where safety is critical, it is especially important to monitor the microcontroller. Normal microcontroller operation is indicated by a cyclically transmitted trigger signal, which is received by a window watchdog timer within a defined time window.
U5021M Key Features
- Low Current Consumption: IDD < 100 µA
- RC Oscillator
- Internal Reset During Power-up and Supply Voltage Drops (POR)
- Cyclical Wake-up of the Microcontroller in Sleep Mode
- Trigger Input
- Single Wake-up Input
- Reset Output
- Enable Output