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SidneyCritic · 2024-04-08

The U2 on my STM32F407G-DISC1 is shorted and needs to be replaced.Is the STM32F103CBT6(U2) pre-programmed, or can I just replace it with a new blank STM32F103CBT6 and it gets programmed when you DFU firmware the STM32F407G-DISC1 board.Hardware isn't ...

SidneyCritic · 2024-05-26

Well I found that I had one of those cheap cut down STM dev(DIY MORE) boards on my shelf, so I swapped out the STM32F407VGT6 LQFP100 and now it works fine through the ST-LINK programmer, ie, the other chip was definitely fried. Other than the annoyan...

SidneyCritic · 2024-04-30

Looks like she's fried - lol -.I connected a good DISC to one of those cheap ST-Links and it connects fine, but when I connect my blown/removed the (U2) chip DISC, it see the ID, but keeps giving out a "Disable Read Out Protection" error.I was lookin...

SidneyCritic · 2024-04-09

I think I get it, ie, the programmer opens a new COM# port, and I just direct the app through that.I'll have to look into it, and see if it fits in my ECU. Basically it has to be convenient to plugin a laptop in the car so you can adjust fuel mapping...

SidneyCritic · 2024-04-09

@Andrew Neil wrote:As @waclawek.jan said, ST don't provide the ST-Link code to users.Probably the easiest way forward is just to use an external ST-Link with the board.Or get a new board ...I pulled the chip(U2) and the short cleared, but running ST-...

SidneyCritic · 2024-04-09

@waclawek.jan wrote:Yes. It has its own bootloader, which is not published by ST.I kind-of figured it would be something like that - ouch! -.The DISC is the controller for a DIY EFI that I completed 4 years ago, but never got running because I found ...

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Replacing STM32F103CBT6(U2) on the STM32F407G-DISC1

Re: Replacing STM32F103CBT6(U2) on the STM32F407G-DISC1

Re: Replacing STM32F103CBT6(U2) on the STM32F407G-DISC1

Re: Replacing STM32F103CBT6(U2) on the STM32F407G-DISC1

Re: Replacing STM32F103CBT6(U2) on the STM32F407G-DISC1

Re: Replacing STM32F103CBT6(U2) on the STM32F407G-DISC1