STM32F205VB 데이터 시트보기 (PDF) - STMicroelectronics

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STM32F205VB

ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera

STMicroelectronics 

Application block diagrams

A.3

USB OTG full speed (FS) interface solutions

Figure 86. USB OTG FS (full speed) device-only connection

VDD

5V to VDD

Volatge regulator (1)

STM32F20xxx

STM32F20xxx

OSC_IN

OSC_OUT

PA9

PA11

PA12

VBUS

DM

DP

VSS

ai17295

1. 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 OTG FS (full speed) host-only connection

GPIO

GPIO+IRQ

STM32F20xx

OSC_IN

OSC_OUT

PA9

PA11

PA12

VDD

EN

Overcurrent

Current limiter

power switch(1)

5 V Pwr

VBUS

DM

DP

VSS

ai17296c

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.

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Doc ID 15818 Rev 9

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