pub type R = R<ISTRrs>;
Register ISTR reader
ISTR
struct R { /* private fields */ }
Bits 0:3 - Endpoint Identifier
Bit 4 - Direction of transaction
Bit 7 - LPM L1 state request
Bit 8 - Expected start frame
Bit 9 - start of frame
Bit 10 - reset request
Bit 11 - Suspend mode request
Bit 12 - Wakeup
Bit 13 - Error
Bit 14 - Packet memory area over / underrun
Bit 15 - Correct transfer