DPID=DATA0
Receive Status Read and Pop Register
CHEPNUM | Channel Number host only / Endpoint Number device only |
BCNT | Byte Count (host or device) |
DPID | Data PID (host or device) 0 (DATA0): DATA0 PID. 1 (DATA1): DATA1 PID. 2 (DATA2): DATA2 PID. 3 (MDATA): MDATA PID. |
PKTSTS | Packet Status (host or device) 1 (GOUTNAK): Device mode: Global OUT NAK (triggers an interrupt). 2 (PKTRCV): Host mode: IN data packet received. Device mode: OUT data packet received. 3 (XFERCOMPL): Host mode: IN transfer completed (triggers an interrupt). Device mode: OUT transfer completed (triggers an interrupt). 4 (SETUPCOMPL): Device mode: SETUP transaction completed (triggers an interrupt). 5 (TGLERR): Host mode: Data toggle error (triggers an interrupt). 6 (SETUPRCV): Device mode: SETUP data packet received. 7 (CHLT): Host mode: Channel halted (triggers an interrupt). |
FN | Frame Number device only |