Can Bootloader; Bootloader Code Sequence; Figure 25. Bootloader For Stm32F105Xx And Stm32F107Xx Withcan2 - ST STM32F105 Series Application Note

System memory boot mode
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CAN bootloader

3
CAN bootloader
3.1

Bootloader code sequence

Figure 25. Bootloader for STM32F105xx and STM32F107xx withCAN2

Once System memory boot mode is entered and the microcontroller has been configured as
described above, the bootloader code waits for a falling edge on the CAN2_Rx pin. When a
detection occurs the CAN Bootloader firmware starts to check the external clock frequency,
Figure 26
38/83
shows the flowchart of the frequency check.
Doc ID 14156 Rev 1
AN2662

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