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how to reduce power consumption in sleep mode?

Question asked by omeredvi on Jul 23, 2018
Latest reply on Jul 23, 2018 by omeredvi

hello, 
i'm running an LPC4357 @ 204 MHz, trying to enter sleep mode with ccu1 and ccu2 powered down using the
LPCOpen example:

   // use powerdown bit in ccu
   LPC_CCU1->PM = 1;
   LPC_CCU2->PM = 1;

 

// set base clk's to IRC

 

__WFI();

 

 

no matter what i do, running with the debugger or without, the board gets stuck before entering sleep mode after the 
ccu's powerdown.

any suggestions?

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