UHCI Receive Status Register
RX_ERR_CAUSE | Indicates the error types when DMA receives the error frame. 3’b001: UHCI packet checksum error. 3’b010: UHCI packet sequence number error. 3’b011: UHCI packet CRC bit error. 3’b100: find 0xC0, but received packet is uncompleted. 3’b101: 0xC0 is not found, but received packet is completed. 3’b110: CRC check error. |
DECODE_STATE | Indicates UHCI decoder status. |