ISTR

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as ISTR

interrupt status register

EP_ID	Endpoint Identifier
DIR	Direction of transaction
L1REQ	LPM L1 state request
ESOF	Expected start frame
SOF	start of frame
RESET	reset request
SUSP	Suspend mode request
WKUP	Wakeup
ERR	Error
PMAOVR	Packet memory area over / underrun
CTR	Correct transfer

()