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AN2606 bảng dữ liệu(PDF) 24 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  STM32 microcontroller system memory boot mode
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AN2606 bảng dữ liệu(HTML) 24 Page - STMicroelectronics

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STM32F10xxx devices bootloader
AN2606
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DocID13801 Rev 21
4.2
Bootloader selection
The figure below shows the bootloader selection mechanism.
Figure 6. Bootloader for STM32F10xxx with USART1
4.3
Bootloader version
The following table lists the STM32F10xxx devices bootloader versions:
Table 7. STM32F10xxx bootloader versions
Bootloader version number
Description
V2.0
Initial bootloader version
V2.1
– Updated Go Command to initialize the main stack pointer
– Updated Go command to return NACK when jump address is in
the Option byte area or System memory area
– Updated Get ID command to return the device ID on two bytes
– Update the bootloader version to V2.1
V2.2
– Updated Read Memory, Write Memory and Go commands to
deny access with a NACK response to the first 0x200 bytes of
RAM memory used by the bootloader
– Updated Readout Unprotect command to initialize the whole
RAM content to 0x0 before ROP disable operation



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