pub type W = W<u16, DMACTL3>;
Writer for register DMACTL3
Bit 0 - DMA Transfer Enable
Bit 1 - DMA Direction
Bit 2 - DMA Transfer Mode
Bit 3 - DMA Interrupt Enable
Bits 4:7 - Endpoint number
Bit 8 - Bus Error Bit
Bits 9:10 - Burst Mode