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ADC Question

Question asked by asl.sean on Mar 27, 2014
Latest reply on Mar 27, 2014 by asl.sean
Hi , 

I am reading up on STM32F4 ADC and have problem understanding a few points .

ADC_InitStructure.ADC_ExternalTrigConv =ADC_ExternalTrigConv_T3_CC1 ;     
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T3_TRGO  ;

What is the different between this 2 statement does it mean that TRGO does not take up any of the T3 Channel i.e. I can still program 4 channels of Tim3 as PWM and use TRGO as a trigger ?