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how to save current in deepsleep mode?

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Hi,

i'm using the CY8C4024LQI-S412 controller on a test board. With a simple program (switch a LED on and off in an ISR) i want to test the power consumption of the UC.

In deep sleep mode i measure 240µA! How can i reduce the power consumption further?

attached you can see the code in main routine, schematic and pin-out:


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