All Questions
6 questions
1
vote
2
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209
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STM32F417 DFU bootloader fails to start HSE crystal
I have a problem with a custom STM32F417 board. On some boards the DFU bootloader works fine, while on other ones it fails to connect by USB. In my custom firmware all boards connect fine by USB.
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- 9,656
0
votes
0
answers
178
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Role of RTS and DTR With CH340X, STM32WLE5, STM32CubeProgrammer
I am trying to (design a PCB where I will) program a STM32WLE5C8U6 via UART from my laptop using a CH340X in between. The CH340X shows this application circuit in the datasheet:
I understand what the ...
- 1
0
votes
1
answer
63
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Connecting TTL-232R-5V-PCB to STM32F103C8T6A bluepill via OTG and installing boot to this STM32 microcontroller
I have TTL-232R-5V-PCB and STM32F103C8T6A bluepill board. I am working on installing bootloader to this bluepill board on that way, I have searched on the web about it but all people connected them ...
0
votes
1
answer
837
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STM32F103 programming using a USB port and CubeProgrammer
I created a custom board with an STM32F103C8T6 microprocessor and Iwant to use the USB to program the board using the STM32CubeProgrammer. I found out thanks to a user on Stack Exchange that it is not ...
- 121
2
votes
2
answers
334
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Programming STM32F103C using USB
What's the Problem?
I created a Custom 'Development/Discovery'-Board and want to program it using USB. I saw in the Datasheet AN2606 that it is not possible to flash the program via USB.
What I tried
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- 121
3
votes
1
answer
4k
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STM32: Minimal USB bootloader circuit
I would like to use the builtin USB DFU bootloader of STM32F107 chip. My MCU is powered by the device, I don't need to use 5V from the USB.
So far I have connected pins PA11, PA12 and GND directly to ...
- 475