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STM32F427AI 데이터시트(PDF) 229 Page - STMicroelectronics

부품명 STM32F427AI
상세설명  32b Arm® Cortex®-M4 MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 com. interfaces, camera & LCD-TFT
PDF  240 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM32F427AI 데이터시트(HTML) 229 Page - STMicroelectronics

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DS9405 Rev 12
229/240
STM32F427xx STM32F429xx
Application block diagrams
231
B.2
USB OTG high speed (HS) interface solutions
Figure 98. USB controller configured as peripheral, host, or dual-mode
and used in high speed mode
1. It is possible to use MCO1 or MCO2 to save a crystal. It is however not mandatory to clock the STM32F42x
with a 24 or 26 MHz crystal when using USB HS. The above figure only shows an example of a possible
connection.
2. The ID pin is required in dual role only.
DP
STM32F4xx
DM
VBUS
VSS
DM
DP
ID(2)
USB
USB HS
OTG Ctrl
FS PHY
ULPI
High speed
OTG PHY
ULPI_CLK
ULPI_D[7:0]
ULPI_DIR
ULPI_STP
ULPI_NXT
not connected
connector
MCO1 or MCO2
24 or 26 MHz XT(1)
PLL
XT1
XI
MS19005V2



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