This description is for register GRXSTSR in Device mode. A read to the receive status debug read register returns the contents of the top of the receive FIFO. The core ignores the receive status read when the receive FIFO is empty and returns a value of 0x00000000.
EPNUM | EPNUM |
BCNT | BCNT |
DPID | DPID |
PKTSTS | PKTSTS |
FRMNUM | FRMNUM |
STSPHST | STSPHST |