Description
October 2003 rev 1.0 ASM690A / 692A ASM802L / 802M ASM805L µP Power Supply Supervisor With Battery Backup Switch Applications * *
The AS690A / AS692A / AS802L / AS802M / AS805L offers complete single chip solutions for power supply monitoring and control battery functions in micr.
Features
* of these four functions are:
* Typical Operating Circuit
Unregulated DC Regulated +5V VCC RESET PFI R2 VBATT PFO WDI VOUT RESET NMI VCC
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R1
0.1 µF
1.6 second watchdog timer to keep microprocessor responsive 4.40V or 4.65V VCC threshold fo
Applications
* Embedded control systems Portable/Battery operated systems Intelligent instruments Wireless instruments Wireless communication systems PDAs and hand-held equipments µP / µC power supply monitoring Safety system
General