The CF1 has very flexible power management support circuitry to simplify integration with your electronics. The onboard 3.3 volt linear regulator with reverse battery protection and thermal current limiting that "floats" on the CF1 board to allow you to bypass, augment, or reassign it to other circuitry. Normally, you simply wire your positive supply to the VBAT input, then jumper VLIN (the regulator output) to VREG.

An onboard power supervisor ensures that the CF1 will receive an orderly reset and that the memory and real-time clock will be preserved in the event of a power disruption.

A separate power managing controller lets the CF1 drop into a SUSPEND mode where the system draws less than 10 microamps. It can wake and resume after a programmed delay or on detection of /WAKE signal or CompactFlash card change event.

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