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How To Protect STM32 GPIO From Current Injection When VDD=0v

I am working on a device, based on SAMD21 (DEV1), that interfaces with a different device which is based on the STM32F405RGT6 MCU (DEV2). These two devices share a power source and communicate using UART. Though these devices share a power source, th...

MSauv by Associate II
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I am using STM Studio and my variables don't have addresses.

Hello ST Commun,I have completed a design using STM32CubeF3 and SW4STM32 with Eval board STM32F303RE. The design is done, I was able to build now I'm in DEBUG. To value my variables I am using STM Studio. I load my elf file and proceed to select the ...

TFlac by Associate III
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  • 4 replies
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Resolved! multi-Slave SPI using STM32F4's?

I am trying to implement a star SPI interface, using STM32F4 as a single master, and interfaces with multiple STM32F4 MCU using SW managed NSS. I have made sure that SSI is cleared when NSS is activated and set when NSS is deactivated so that the SCK...

problem to enter stop2 mode a 2nd time when using RTC alarm

I have modified the example PWR/PWR_Stop2_RTC that uses the RTC periodid timer and used the alarm as wake-up source, as described in example RTC/RTC_Alarm.I achieved to get the wake-up cycle once, but when coming to the stop2-command the 2nd time, t...

BHoff by Associate II
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Can I Interface ULINK 2/ST-LINK V2 JTAG connector directly to the port pins of STM32H753ZI MCU for code loading and debugging?

Hi Team.I found an evaluation board of STM32H753ZI MCU for JTAG/Debug purpose he had used another MCU between STM32H753ZI and JTAG/debug connector. Is it compulsion to use another MCU preferred in Evaluation board of STM32 NUCLEO- 144 development boa...

LPola by Associate II
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  • 2 replies
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STM32G opamps routing to ADC and to comparator

My Question: If the opamp output multiplexer is configured to connect the output pin (OPAINTOEN set to zero) then can I still use the ADC to read the opamp output?The wording in the reference manual is ambiguous – it implies that the output is either...

PHard by Associate
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