Figure 386. Otg Full-Speed Block Diagram; Peripheral-Mode Features - STMicroelectronics STM32F405 Reference Manual

RM0090
34.2.3

Peripheral-mode features

The OTG_FS interface main features in peripheral-mode are the following:
•
1 bidirectional control endpoint0
•
3 IN endpoints (EPs) configurable to support Bulk, Interrupt or Isochronous transfers
•
3 OUT endpoints configurable to support Bulk, Interrupt or Isochronous transfers
•
Management of a shared Rx FIFO and a Tx-OUT FIFO for efficient usage of the USB
data RAM
•
Management of up to 4 dedicated Tx-IN FIFOs (one for each active IN EP) to put less
load on the application
• Support for the soft disconnect feature.
34.3 OTG_FS functional description

Figure 386. OTG full-speed block diagram

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