DPID=B_0x0
OTG status read and pop registers
EPNUM | Endpoint number |
BCNT | Byte count |
DPID | Data PID 0 (B_0x0): DATA0 1 (B_0x1): DATA2 2 (B_0x2): DATA1 3 (B_0x3): MDATA |
PKTSTS | Packet status 1 (B_0x1): Global OUT NAK (triggers an interrupt) 2 (B_0x2): OUT data packet received 3 (B_0x3): OUT transfer completed (triggers an interrupt) 4 (B_0x4): SETUP transaction completed (triggers an interrupt) 6 (B_0x6): SETUP data packet received |
FRMNUM | Frame number |
STSPHST | Status phase start |