mailbox data high register
Register TDHR reader
TDHR
Register TDHR writer
Field DATA4 reader - DATA4
DATA4
Field DATA4 writer - DATA4
Field DATA5 reader - DATA5
DATA5
Field DATA5 writer - DATA5
Field DATA6 reader - DATA6
DATA6
Field DATA6 writer - DATA6
Field DATA7 reader - DATA7
DATA7
Field DATA7 writer - DATA7