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2answers
53 views

How can I run an STM32L with an unpowered ST-Link connected?

I have an STM32L476RG on a custom board that I have to leave connected to an external ST-Link/V2 so that I can reprogram it without accessing the hardware. I'm also forced to do this via a USB hub due ...
1
vote
1answer
126 views

BOOT0 vs BOOT1 circuit design in STM32f103 (ST-LINK)

I have a question about designing st-link v2. According to the schematics provided by st.com Please help me in analyzing this schematic. Why boot0 was pulldown with a 100k resistor but connected boot1 ...
1
vote
1answer
228 views

Stm32f103 blue pill and stlink power

When two or more of these modules have their 5v pins hooked up to a common 5v rail (power off) and I connect an 4-pin SWD st-link to the programming pins of one, I'm finding that all modules (and ...
1
vote
1answer
629 views

ST-Link V2 Programming STG-850 PLC — STM32

I'm trying to connect to a Barth STG-850 PLC for the first time and am using the ST-Link V2 programmer (not the ISOL version) and have been unsuccessful so far. The crux of my problem likely stems ...
0
votes
0answers
179 views

STM32F0 SWD not working VDD >2.9V

I made a board with a STM32F031 and connected it to the ST-Link integrated into a STM32F4-DISCOVERY. To this point I was able to figure out, that the SWD connection works, if I supply a voltage of <...
3
votes
1answer
2k views

Programming a new STM32 chip

I am new to STM32 and recently trying to make a custom board with STM32F103RB. But I am a bit confused by the available methods to program the chip. Let's say I use ST-Link via SWD, does it mean that ...
1
vote
2answers
5k views

STM32 & ST-LINK - SWD connector not working

I am using an ST-LINK/V2 debugger (Firmware version V2.J27.S6, up-to-date) to program my STM32F407G discovery board. So far, I have been using USB to flash the MCU, using the STM32 ST-LINK Utility v4....
10
votes
3answers
7k views

Can I use ST-Link programmer for non-ST chips?

Can I program all kinds of SWD-programmable chips (ARM-MCUs) with ST-Link?
1
vote
1answer
3k views

STM32 prototype unable to connect to PC using ST-Link/V2 SWD

Circuit Diagram Background & What I have tried. I have wired wrapped this setup myself using a fresh STM32F411RC MCU from digikey (on a proto-advantage LQFP-64 to DIP-64 breakout board). I've ...
2
votes
1answer
1k views

Using ST-link for 1.8V target voltage

I'd like to program a LIS331EB which is an ST product with an integrated cortex-M0 core. ST says it can be programmed with ST-link even though it is neither an STM32 nor STM8. The lis331eb's core and ...
16
votes
2answers
48k views

How to use external ST-Link to debug/program STM32F103 MCU?

I'm using STM32F103 MCU for my own project and want to use the ST-Link of STM32F411 Nucleo board for external debugging / programming purposes. I've set the CN2 jumpers OFF and my actual question is ...