ST STM32F40 Series Reference Manual page 1088

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OTG_FS device all endpoints interrupt register (OTG_FS_DAINT)

Address offset: 0x818

Reset value: 0x0000 0000

When a significant event occurs on an endpoint, a OTG_FS_DAINT register interrupts the

application using the Device OUT endpoints interrupt bit or Device IN endpoints interrupt bit

of the OTG_FS_GINTSTS register (OEPINT or IEPINT in OTG_FS_GINTSTS,

respectively). There is one interrupt bit per endpoint, up to a maximum of 16 bits for OUT

endpoints and 16 bits for IN endpoints. For a bidirectional endpoint, the corresponding IN

and OUT interrupt bits 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_FS_DIEPINTx/OTG_FS_DOEPINTx).

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

Bits 31:16 OEPINT: OUT endpoint interrupt bits

Bits 15:0 IEPINT: IN endpoint interrupt bits

One bit per OUT endpoint:

Bit 16 for OUT endpoint 0, bit 18 for OUT endpoint 3.

One bit per IN endpoint:

Bit 0 for IN endpoint 0, bit 3 for endpoint 3.

Doc ID 018909 Rev 4

USB on-the-go full-speed (OTG_FS)

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