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Description:Supervisory Circuit with Manual Reset and Dual Active-Low/Active-High Push-Pull Reset Outputs
Manufacturer:Analog Devices
Datasheet:PDF (441K).
Click here to download *)

The ADM823/ADM824/ADM825 are super visor y circuits which monitor power supply voltage levels and code execution integrity in microprocessor-based systems. As well as providing power on reset signals, an on-chip watchdog timer can reset the microprocessor if it fails to strobe within a preset timeout period. A reset signal can also be asserted by an external pushbutton, through a manual reset input. The three parts feature different combinations of watchdog input, manual reset input and output stage configuration, as shown in Table 1.

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