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AN4228 bảng dữ liệu(PDF) 9 Page - STMicroelectronics

tên linh kiện AN4228
Giải thích chi tiết về linh kiện  Migrating from STM32F1 to STM32F3 microcontrollers
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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AN4228 bảng dữ liệu(HTML) 9 Page - STMicroelectronics

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AN4228
Boot mode compatibility
89
2
Boot mode compatibility
The way to select the boot mode on the STM32F3 series differs from STM32F1 series.
Instead of using two pins for this setting, STM32F3 series devices gets the nBOOT1 value
from an option bit located in the User option bytes at 0x1FFFF800 memory address.
Together with the BOOT0 pin, it selects the boot mode to the main Flash memory, the
SRAM or to the System memory. Table 6 summarizes the different configurations available
for selecting the Boot mode.
Note:
The BOOT1 value is the opposite of the nBOOT1 option bit.
Table 6. Boot modes
STM32F3/STM32F1
Boot mode selection
Boot mode
Aliasing
BOOT1
BOOT0
x
0
Main Flash memory
Main Flash memory is selected
as boot space
0
1
System memory
System memory is selected as
boot space
1
1
Embedded SRAM
Embedded SRAM is selected as
boot space



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