ASM690A - uP Power Supply Supervisor
The ASM690A / ASM692A / ASM802L / ASM802M / ASM805L offers complete single chip solutions for power supply monitoring and control battery functions in microprocessor systems.
Each device implements four functions: Reset control, watchdog monitoring, battery *backup switching and power failure
ASM690A Features
* of these four functions are:
* 1.6 second watchdog timer to keep microprocessor responsive
* 4.40 V or 4.65 V VCC threshold for microprocessor reset at power
* up and power
* down
* SPDT (Single
* pole, Double
* throw) PMOS switch connects backup power