pub type W = W<CfgSpec>;
Register CFG writer
CFG
struct W { /* private fields */ }
Bit 0 - Write Back Disable
Bit 1 - End of Monitoring Disable
Bit 2 - Secondary List Branching Disable
Bits 4:7 - Bus Burden Control
Bit 8 - Automatic Switch To Compare Digest
Bit 9 - Dual Input Buffer
Bit 12 - User Initial Hash Value
Bits 13:15 - User SHA Algorithm