Interrupt Event Flag
| BUS_STS | The BUS event means that there is one of the suspense or the resume function in the bus. 1 = Bus event occurred; check USB_ATTR[3:0] to know which kind of bus event was occurred, cleared by write 1 to USB_INTSTS[0]. 0 = No any BUS event is occurred |
| USB_STS | The USB event includes the Setup Token, IN Token, OUT ACK, ISO IN, or ISO OUT events in the bus. 1 = USB event occurred, check EPSTS0~5[2:0] to know which kind of USB event was occurred, cleared by write 1 to USB_INTSTS[1] or EPSTS0~5 and SETUP (USB_INTSTS[31]) 0 = No any USB event is occurred |
| FLDET_STS | 1 = There is attached/detached event in the USB bus and it is cleared by write 1 to USB_INTSTS[2]. 0 = There is not attached/detached event in the USB |
| WAKEUP_STS | 1 = Wakeup event occurred, cleared by write 1 to USB_INTSTS[3] 0 = No Wakeup event is occurred |
| EPEVT0 | 1 = USB event occurred on Endpoint 0, check USB_EPSTS[10:8] to know which kind of USB event was occurred, cleared by write 1 to USB_INTSTS[16] or USB_INTSTS[1] 0 = No event occurred in endpoint 0 |
| EPEVT1 | 1 = USB event occurred on Endpoint 1, check USB_EPSTS[13:11] to know which kind of USB event was occurred, cleared by write 1 to USB_INTSTS[17] or USB_INTSTS[1] 0 = No event occurred in endpoint 1 |
| EPEVT2 | 1 = USB event occurred on Endpoint 2, check USB_EPSTS[16:14] to know which kind of USB event was occurred, cleared by write 1 to USB_INTSTS[18] or USB_INTSTS[1] 0 = No event occurred in endpoint 2 |
| EPEVT3 | 1 = USB event occurred on Endpoint 3, check USB_EPSTS[19:17] to know which kind of USB event was occurred, cleared by write 1 to USB_INTSTS[19] or USB_INTSTS[1] 0 = No event occurred in endpoint 3 |
| EPEVT4 | 1 = USB event occurred on Endpoint 4, check USB_EPSTS[22:20] to know which kind of USB event was occurred, cleared by write 1 to USB_INTSTS[20] or USB_INTSTS[1] 0 = No event occurred in endpoint 4 |
| EPEVT5 | 1 = USB event occurred on Endpoint 5, check USB_EPSTS[25:23] to know which kind of USB event was occurred, cleared by write 1 to USB_INTSTS[21] or USB_INTSTS[1] 0 = No event occurred in endpoint 5 |
| SETUP | 1 = Setup event occurred, cleared by write 1 to USB_INTSTS[31] 0 = No Setup event |