OTG_FS device status register (OTG_FS_DSTS)
Field EERR reader - Erratic error
EERR
Field ENUMSPD reader - Enumerated speed
ENUMSPD
Field FNSOF reader - Frame number of the received SOF
FNSOF
Register FS_DSTS reader
FS_DSTS
Field SUSPSTS reader - Suspend status
SUSPSTS