STM32 MCUs Products

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Resolved! STM32F103C8Tx can tx voltage too low and can clock speed

I am using truestudio and cubemx with STM32F103C8T6. I am trying to use canbus. If I connect the cantx and canrx pins on A12 and A11 (as shown in attached cubemx file), I get an output that looks like a can frame, but has peak voltage of 400mV.cubemx...

SThre by Associate II
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  • 1 replies
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PWM dithering

I am using STM32F103C8 controller for my product desgin. I want to implement PWM dithering concept to increase my PWM resolution. after reading application note AN4507 following are my doubtswhat is meant by 1-LSB duty cycle managementOn page no 12. ...

MMitt.7 by Associate
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  • 4 replies
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Can we use the STMCUBEExpansion ble1 for stm32f407vg

HiActuelly i have a stm32f407vg connected to a SPBTLE-RF via SPI, i wanted to know if i can use the STMCubeExpansion ble1 developped on the nucleo for the stm32f407 vg ?if not, IS there an existing code for stm32f407vg ?

tTAGN by Associate
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STM32F105 I2C clock streaching

Hi,We are working with the STM32F105 chip and we want to use its I2C interface to communicate with a chip that demanding an I2C master that allows the clock stretching. We need to know if it is possible to enable this feature in the STM32F105 and how...

CAlon by Associate
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  • 2 replies
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Can SPI clk polarity and clk phase be changed on the fly?

Posted on August 09, 2017 at 14:54Hi,I am using STM32F429 controller for one of my custom application. I need to perform SPI write in one of the four modes, specifically I have set CPOL = 0, CPHA =0. But during SPI read I need to changed the CPHA =1...

shravan by Associate II
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  • 7 replies
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Clock settings for LCD and external SPI in stm32l4 discovery

Am working with STM32l4-Discovery boardInterfaced external SPI with stm32 module and trying to integrate LCD but am failing at SystemHardwareInit().Can you pls help me out in clock and pin settings to integrate code for external spi and LCD and touch

AGumm by Associate II
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Resolved! HW timers with FreeRTOS

Hi,I am struggling with HW timers when using FreeRTOS. Using H743ZI Nucleo Board and writing on FreeRTOS application examples.I have changed ThreadCreation application a little bit: created another task that initializes LEDs and a timer, and creates ...

Usart bad baud rate / stop bits setting hanging mcu.

Hello, I'm having some issue with the usart, everything works just fine, but if I start querying the usart with a bad baud rate and especially when the stop bits setting is incorrect, then the mcu hangs after couple of seconds. Please look below, I h...

SimonP by Associate II
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