RxCfgDMAShift
(RX_DMA_BURST << RxCfgDMAShift);
RxCfgDMAUnlimited = (7 << RxCfgDMAShift),
(RX_DMA_BURST << RxCfgDMAShift);
(RX_DMA_BURST << RxCfgDMAShift);
(RX_DMA_BURST << RxCfgDMAShift);
(RX_DMA_BURST << RxCfgDMAShift);