ST STM32F40 Series Reference Manual page 1200

RM0090
Bit 11 USBSUSPM: USB suspend mask
0: Masked interrupt
1: Unmasked interrupt
Note: Only accessible in peripheral mode.
Bit 10 ESUSPM: Early suspend mask
0: Masked interrupt
1: Unmasked interrupt
Note: Only accessible in peripheral mode.
Bits 9:8 Reserved, must be kept at reset value.
Bit 7 GONAKEFFM: Global OUT NAK effective mask
0: Masked interrupt
1: Unmasked interrupt
Note: Only accessible in peripheral mode.
Bit 6 GINAKEFFM: Global nonperiodic IN NAK effective mask
0: Masked interrupt
1: Unmasked interrupt
Note: Only accessible in peripheral mode.
Bit 5 NPTXFEM: Nonperiodic TxFIFO empty mask
0: Masked interrupt
1: Unmasked interrupt
Note: Accessible in both peripheral and host modes.
Bit 4 RXFLVLM: Receive FIFO nonempty mask
0: Masked interrupt
1: Unmasked interrupt
Note: Accessible in both peripheral and host modes.
Bit 3 SOFM: Start of frame mask
0: Masked interrupt
1: Unmasked interrupt
Note: Accessible in both peripheral and host modes.
Bit 2 OTGINT: OTG interrupt mask
0: Masked interrupt
1: Unmasked interrupt
Note: Accessible in both peripheral and host modes.
Bit 1 MMISM: Mode mismatch interrupt mask
0: Masked interrupt
1: Unmasked interrupt
Note: Accessible in both peripheral and host modes.
Bit 0 Reserved, must be kept at reset value.
Doc ID 018909 Rev 4
USB on-the-go high-speed (OTG_HS)
1200/1422