ADM9690
ADM9690 is Power Supply and Watchdog Timer Monitoring Circuit manufactured by Analog Devices.
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Features
Precision Voltage Monitor (4.31 V) Watchdog Timeout Monitor Selectable Watchdog Timeout- 0.75 ms, 1.5 ms, 12.5 ms, 25 ms Two RESET Outputs APPLICATIONS Microprocessor Systems puters Printers Controllers Intelligent Instruments
Power Supply and Watchdog Timer Monitoring Circuit ADM9690
FUNCTIONAL BLOCK DIAGRAM
VMON 4.31V
OSC SEL1 OSC SEL2
WATCHDOG TIMEBASE
RESET(1) TIMER RESET(2) TIMER
RESET(1) RESET(2)
WATCHDOG INPUT (WDI)
WATCHDOG TRANSITION DETECTOR
GENERAL DESCRIPTION
The ADM9690 contains a voltage monitoring parator and a watchdog timer monitor. It is designed to monitor the 5 V power supply to a microprocessor and the microprocessor...
