STM32 MCUs Products

Nucleo STM32L552 w/ext JTAG

HiI'm using a Nucleo STM32L552 an want to use my segger JTAG; I've wired CN5 on the dev board to my JLINK (with the exception of pin 1 for VDD; I hooked that directly to the 3.3V pin in the arduino header) and I'm not able to connect my device to the...

Can I replace STM32F103 to STM32F302 chip on bluepill?

I have successfully flashed my BluePill Board with an STM32F103 chip using the STLINK interface of a Nucleo board. Now, I have replaced the chip with an STM32F302CBT6 and am trying to flash it. However, I get the error message 'Target no device found...

I2C getting stuck in HAL_I2C_IsDeviceReady

I had this problem on my project, so I created a new one and added only I2C to pins Pb7 and Pb6. I set I2C from disable to I2C and I set them to "pull-up" . That's about it. And the code gets stuck in the HAL_I2C_IsDeviceReady function.I have also se...

Suspicious behaviour with sleep mode on wait for event from timer.

Hello,I am using a Nucleo-L073RZ board for my application. Reducing power consumption is adamant. Being so, I opted to put the MCU to sleep mode with WFE in some ocasions where some kind of delay is needed, with a reduction of HCLK (64 division). I a...

Hi, I program timer2 with polarity TIM_INPUTCHANNELPOLARITY_BOTHEDGE; when HAL_TIM_IC_CaptureCallback is done how do I know if it was triggered by rising or falling edge? Is there a flag in some registry that tells me this?

I would like to use the external RAM on stm32f10e-eval board

Hi, is it possible to use the external RAM as a heap. I would like to do malloc and free on it. I was able to set an huge array on it by little modifying the linkerscript, but that is not really handy because than you have to do the mem managing. Hav...