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NCP1232 Datasheet - ON

NCP1232 - Microprocessor Monitor

Symbol PB RST TD TOL GND RST RST ST VCC Description Push-button Reset Input.

A debounced active-low input that ignores pulses less than 1 msec in duration and is guaranteed to recognize inputs of 20 msec or greater.

Time Delay Set.

The watchdog time-out select input (tTD = 150 msec for TD = 0 V, t

NCP1232 Microprocessor Monitor The NCP1232 is a fully-integrated processor supervisor.

It provides three important functions to safeguard processor functionality: precision power on/off reset control, watchdog timer and external reset override.

On power-up, the NCP1232 holds the processor in the reset state for a minimum of 250 msec after VCC is within tolerance to ensure a stable system start-up.

Microprocessor functionality is monitored by the on- board watchdog circuit.

The microprocessor mu

NCP1232 Features

* Precision Voltage Monitor (Adjustable +4.5 V or +4.75 V)

* Reset Pulse Width (250 msec Min)

* No External Components

* Adjustable Watchdog Timer (150 msec, 600 msec or 1.2 sec)

* Debounced Manual Reset Input for External Override Applications

* Compu

NCP1232_ONSemiconductor.pdf

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Datasheet Details

Part number:

NCP1232

Manufacturer:

ON

File Size:

94.94 KB

Description:

Microprocessor monitor.

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