DMA2_Stream2->NDTR  = 8;

DMA2_Stream2->PAR   = SPI1->DR;

DMA2_Stream2->PAR   =&SPI1->DR;

    SPI1->CR1           &= ~0x40; // SPI stopped
DMA2_Stream2-> CR   = 0;    // Disable & DeInit
DMA2->LIFCR         = 0x003D0000; // Clear flags for Stream2
    
    DMA2_Stream2->CR    = (3<<25)|(1<<16)|(1<<10);  // Channel3 | PriorityMedium | MemInc (Single transfer)
    DMA2_Stream2->NDTR  = 16;                        // 8 bytes transfer SPI->RAM
    DMA2_Stream2->PAR   = &SPI1->DR;
    DMA2_Stream2->M0AR  = (unsigned long)pBuffer; // buffer in RAM
    
    //DMA2_Stream2->FCR   = 0;      // Direct mode
    DMA2_Stream2->FCR   = (1<<2);      // FIFO mode
    
    DMA2_Stream2->CR    |= 1;     // Enable DMA
  
    SPI_I2S_ReceiveData(SPI1);    // Clear SPI RX buffer, if not empty
    
    SPI1->CR2           |= 1;     // Enable RX DMA channel user
    
    SPI1->CR1           |= (1<<10)|(1<<6);  // Enable SPI | RX_ONLY mode

    RCC->AHBENR |=RCC_AHBENR_DMA1EN;
    DMA1_Channel4->CNDTR=size;
    DMA1_Channel4->CPAR=&spi->DR;
    DMA1_Channel4->CMAR=RxData;
    DMA1_Channel4->CCR=0x82;// incMEM? dir-read form PERIF
DMA1_Channel4->CCR|=0x01;
spi->CR1|=SPI_Direction_2Lines_RxOnly;
while(RCC->AHBENR&RCC_AHBENR_DMA1EN);__WFI();//флаг обнуляется в прерывании там же отключается тактирование и spi переводится в режим
//приемопередатчика
while(spi->SR&SPI_I2S_FLAG_BSY);
spi->CR1&=~0x0040;
spi->CR1 |= 0x0020;
RCC->APB1ENR&=~RCC_APB1ENR_SPI2EN;
CS_M_1;

DMA2_Stream2->PAR   = &SPI1->DR; // следует указать адрес регистра!!!