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U5021M - DIGITAL WINDOW WATCHDOG TIMER

Datasheet Summary

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.

Features

  • Low Current Consumption: IDD < 100 µA.
  • RC Oscillator.
  • Internal Reset During Power-up and Supply Voltage Drops (POR).
  • “Short” Trigger Window for Active Mode, “Long” Trigger Window for Sleep Mode.
  • Cyclical Wake-up of the Microcontroller in Sleep Mode.
  • Trigger Input.
  • Single Wake-up Input.
  • Reset Output.
  • Enable Output Digital Window Watchdog Timer.

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Datasheet Details

Part number U5021M
Manufacturer ATMEL Corporation
File Size 160.68 KB
Description DIGITAL WINDOW WATCHDOG TIMER
Datasheet download datasheet U5021M Datasheet
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Full PDF Text Transcription

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Features • Low Current Consumption: IDD < 100 µA • RC Oscillator • Internal Reset During Power-up and Supply Voltage Drops (POR) • “Short” Trigger Window for Active Mode, “Long” Trigger Window for Sleep Mode • Cyclical Wake-up of the Microcontroller in Sleep Mode • Trigger Input • Single Wake-up Input • Reset Output • Enable Output Digital Window Watchdog Timer 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.
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