About DBong.1

DBong.1 · 2020-04-22

I am attempting to activate the bootloader mode on the STM32G050J6 (SO8N package). It is unclear to me from the documentation which pins are to be used. Currently, I am using pins 1 and 8 (USART1_RX and USART1_TX in the documentation respectively) as...

DBong.1 · 2020-04-24

I can confirm this.Using the ST-LINK utility, I connected the target with the previously described "connect under reset" method. Then I opened the dialog Target -> Option bytes and found that nBOOT_SEL was checked, meaning that the state of the BOOT0...

DBong.1 · 2020-04-24

@Community member I have actually tried that. I managed to upload a program by connecting my UART adapter to pins 5 and 6, which map to PA9 and PA10. Although now after uploading the first program, I can no longer activate the bootloader and I was c...

DBong.1 · 2020-04-24

I can confirm that using the "Connect under reset" option with a ST-LINK device works. I connect 3v3, GND, SWDIO and SWCLK to my microcontroller and hold nRST low as I press "connect" in the STM32 ST-LINK utiliy. I then "quickly" pull nRST high and t...

DBong.1 · 2020-04-24

Hi Tomas,Yes I had seen that on the document, however, there was a little confusion on my side as to which physical pins actually mapped to those PA9 and PA10. Turns out it's pins 5 and 6 on the SO8N package. I subsequently managed to access the boot...

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