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STM32F105xx, STM32F107xx Application block diagrams
103
Appendix A Application block diagrams
A.1 USB OTG FS interface solutions
Figure 46. USB OTG FS device mode
1. Use a regulator if you want to build a bus-powered device.
USB
OTG
Full-speed
core
STM32F105xx/STM32F107xx
USB
Full-speed
transceiver
DP
USB Micro-B connector
DM
V
BUS
V
SS
HNPHNP
SRPSRP
V
DD
IDID
OTG PHY
ai15653b
DP
DM
V
BUS
V
SS
To host
5 V to V
DD
Regulator
(1)