PIC low volt auto shutdown?

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What is the most efficient design approach to having a PIC sense a
battery supply voltage of below 4.5V and put itself into sleep mode?


Re: PIC low volt auto shutdown?
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Several PICs have an internal brownout detection circuit.  Some of them
have programmable voltages.

Ben Jackson
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Re: PIC low volt auto shutdown?
Hi Goerge,

Dual slope AD conversion and a threshold value in the code?

Regards, Joerg


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