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Hi, I use PSOC3 to do ADC->DMA ->Memory to sample my analog input data then post- processing my ADC data. ADC( 300K sps, 10 bits) Memory (xdata, ADC_data). I try to modify some c codes from DMA example projects, but I did not get right sample data from ADC. Here is my c code: ADC_DelSig_1_start(); ADC_DelSig_1_start_convert(); Isr_start(); MyChannel=DMA_DmaInitialize(2,1,0,0); Td=CyDmaTdAllocate(); CyDmaTdSetConfiguration(Td,2,Td,TD_INC_DST_ADR|TD_TERMOUT0_EN); CyDmaTdSetAddress(td,ADC_DelSig_1_OUTSAMP, (uint16)&ADC_data ); CyDmaChEnable(MyChannel,Td); CyDmaChSetRequest( MyChannel,1); Anyone knows how to do it? Thanks, Will