GigaDevice Semiconductor GD32VF103 - Page 476

GD32VF103 User Manual
476
Interrupt Flag
Description
Operation Mode
PTXFEIF
Periodic Tx FIFO empty interrupt flag
Host Mode
HCIF
Host channels interrupt flag
Host Mode
HPIF
Host port interrupt flag
Host Mode
ISOONCIF/PXNCI
F
Periodic transfer Not Complete Interrupt
flag /Isochronous OUT transfer Not
Complete Interrupt Flag
Host or device mode
ISOINCIF
Isochronous IN transfer Not Complete
Interrupt Flag
Device mode
OEPIF
OUT endpoint interrupt flag
Device mode
IEPIF
IN endpoint interrupt flag
Device mode
EOPFIF
End of periodic frame interrupt flag
Device mode
ISOOPDIF
Isochronous OUT packet dropped interrupt
flag
Device mode
ENUMF
Enumeration finished
Device mode
RST
USB reset
Device mode
SP
USB suspend
Device mode
ESP
Early suspend
Device mode
GONAK
Global OUT NAK effective
Device mode
GNPINAK
Global IN Non-Periodic NAK effective
Device mode
NPTXFEIF
Non-Periodic Tx FIFO empty interrupt flag
Host Mode
RXFNEIF
Rx FIFO non-empty interrupt flag
Host or device mode
SOF
Start of frame
Host or device mode
OTGIF
OTG interrupt flag
Host or device mode
MFIF
Mode fault interrupt flag
Host or device mode
Wake-up interrupt can be triggered when USBFS is in suspend state, even when the USBFS’s
clocks are stopped. The source of the wake-up interrupt is WKUPIF bit in USBHS_GINTF
register.