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bf-518 changing CCLK

Question asked by chagai on Dec 8, 2010
Latest reply on Dec 8, 2010 by JoeT

Hi,

I'm using BF518f - EZBoard.

My application is based on battery supply. Because of that, I would like to operate on the lowest possible Core Clk (and System Clk). of course i also controlled Vddint down to 1.164 (the minimum).

I bypassed the PLL thus - Clkin = Cclk = Sclk = 25 MHz.

 

I only found maximum specificaions for the frequency - is there also a minimum?

appart from the fact that the application is slower - are there any major drawbacks in using a low freq?

Are there any ajdustments i need to do in the code regarding the peripherals on the EZBoard when changing the frequency/Vddint?  i mean update the code (codec / uart  communication etc.)

 

thanks!

Chagai

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