pub type W = W<u8, TXCSRH1>;
Writer for register TXCSRH1
Bit 0 - Data Toggle
Bit 1 - Data Toggle Write Enable
Bit 2 - DMA Request Mode
Bit 3 - Force Data Toggle
Bit 4 - DMA Request Enable
Bit 5 - Mode
Bit 6 - Isochronous Transfers
Bit 7 - Auto Set