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problem in finding the speed of the LPC1343 microcontroller

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abhishekdixit

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hi,
i have purchased a LPC1343 development board. so i just want to know that at what speed my controller is working?? it has 12Mhz crystal oscillator connected with it. but it can speed upto 72Mhz. now i am unable to know at what speed my controller is currently working.. so please can anyone help me to find out its speed.
Thank you
 

That depends on how your software configures the PLL used for clock generation.

The PLL setup register details will be in the programming manual for the part, look them up, figure out what your software loads them with and hence figure out the clock speed, easy.

Regards, Dan.
 

hiii
i am using keil micro vision 5 for programming. now in keil, how will i do these PLL settings?
 

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