STM32F415OG datasheet(172/186 Pages) STMICROELECTRONICS

172 / 186 page

Application block diagrams

STM32F415xx, STM32F417xx

172/186

DocID022063 Rev 4

Appendix A

Application block diagrams

A.1

USB OTG full speed (FS) interface solutions

Figure 86. USB controller configured as peripheral-only and used

in Full speed mode

1. External voltage regulator only needed when building a VBUS powered device.

2. The same application can be developed using the OTG HS in FS mode to achieve enhanced performance

thanks to the large Rx/Tx FIFO and to a dedicated DMA controller.

Figure 87. USB controller configured as host-only and used in full speed mode

1. The current limiter is required only if the application has to support a VBUS powered device. A basic power

switch can be used if 5 V are available on the application board.

2. The same application can be developed using the OTG HS in FS mode to achieve enhanced performance

thanks to the large Rx/Tx FIFO and to a dedicated DMA controller.

STM32F4xx

5V to VDD

Volatge regulator (1)

VDD

VBUS

VSS

PA12/PB15

PA11//PB14

OSC_IN

OSC_OUT

MS19000V5

STM32F4xx

VDD

VBUS

VSS

GPIO+IRQ

GPIO

Overcurrent

5 V Pwr

OSC_IN

OSC_OUT

MS19001V4

Current limiter

power switch(1)

PA12/PB15

PA11//PB14

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