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Using the VREFBUF on the STM32L4

Posted on April 05, 2018 at 15:21Hi  I am about to choose a STM32L4 chip and want to use the VREFBUF for more accurate readings, and seems to be as accurate as external reference chips.  I havent used this before and couldnt find the answer when sea...

Resolved! STM32 I2C Multi-master Hardware Bug

Posted on March 19, 2018 at 19:39Hello,I am reporting a hardware bug with the I2C peripheral in the newer STM32 families (STM32F7, STM32H7, STM32L0, STM32L4, and STM32L4+ familes) in I2C multi-master mode (including many SMBus host applications), an...

STM32F334 SPI TI Mode

Posted on April 04, 2018 at 12:42 Hi, Trying to establish SPI communications from a STM32F334 with a DRV8305 from TI using SPI, after a bit of struggling thoughts and struggles to establish valid communication with the slave; arrived at the thoug...

Resolved! Can not Programm STM32L4R5 Nucleo Board

Posted on January 17, 2018 at 13:11Hallo!Next to almost all other available nucelo boards I now own two STM32L4R5 Nucleo boards. The first one arrived last week, the second today. Long story short, i can not programm the Nucleo boards. Today i got a...

Truestudio RTOS aware debugging problems

Posted on April 05, 2018 at 16:34Hello there,While the project I was working on became larger and larger (more FreeRTOS threads, queues etc) I noticed the following things: Tasks, queues, timers and semaphores are no longer visible in their windows...

GPIO state when unprogrammed

Posted on April 05, 2018 at 07:31Hello there,Is there any set state of the GPIO's when the MCU (STM32L4 in my example) is unprogrammed? Or more likelly, when the MCU is in the system bootloader (I believe thats where the program counter is before I ...

Nucleo 144 stm32f429ZI , CANOT USE H0 H1 pins

Posted on April 05, 2018 at 10:47Hello , i have a really simple basic question , im using stm32f429ZI NUCLEO CART (pc14pc15 X2 cristal low ),  , but i connect two of my keypad pins to PH0 AND PH1 which looked on no conflict on this map https://os.mb...

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