DocID024597 Rev 3 1569/1693
RM0351 USB on-the-go full-speed (OTG_FS)
1644
are used. Bits in this register are set and cleared when the application sets and clears bits in
the corresponding Device Endpoint-x interrupt register (OTG_DIEPINTx/OTG_DOEPINTx).
43.15.38 OTG all endpoints interrupt mask register
(OTG_DAINTMSK)
Address offset: 0x81C
Reset value: 0x0000 0000
The OTG_DAINTMSK register works with the Device endpoint interrupt register to interrupt
the application when an event occurs on a device endpoint. However, the OTG_DAINT
register bit corresponding to that interrupt is still set.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
OEPINT
rrrrrrrrrrrrrrrr
1514131211109876543210
IEPINT
rrrrrrrrrrrrrrrr
Bits 31:16 OEPINT: OUT endpoint interrupt bits
One bit per OUT endpoint:
Bit 16 for OUT endpoint 0, bit 18 for OUT endpoint 3.
Bits 15:0 IEPINT: IN endpoint interrupt bits
One bit per IN endpoint:
Bit 0 for IN endpoint 0, bit 3 for endpoint 3.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
OEPM
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
1514131211109876543210
IEPM
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:16 OEPM: OUT EP interrupt mask bits
One per OUT endpoint:
Bit 16 for OUT EP 0, bit 18 for OUT EP 3
0: Masked interrupt
1: Unmasked interrupt
Bits 15:0 IEPM: IN EP interrupt mask bits
One bit per IN endpoint:
Bit 0 for IN EP 0, bit 3 for IN EP 3
0: Masked interrupt
1: Unmasked interrupt
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