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CD00237391 Fiches technique(PDF) 160 Page - STMicroelectronics

No de pièce CD00237391
Description  ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM
PDF  177 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

CD00237391 Fiches technique(HTML) 160 Page - STMicroelectronics

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Application block diagrams
STM32F20xxx
160/177
Doc ID 15818 Rev 9
A.4
USB OTG high speed (HS) interface solutions
Figure 89.
OTG HS (high speed) device connection, host and dual-role
in high-speed mode with external PHY
1.
It is possible to use MCO1 or MCO2 to save a crystal. It is however not mandatory to clock the STM32F20x
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
STM32F20xxx
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
ai16036c



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