STM32 MCUs Products

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STM32F407 ADC with internale reference

Posted on August 09, 2017 at 09:34Hello All ; I use STM32f407 ; I connect Vref to VDDA to VDD ; but VDD is connected to super cap that can be change from 2,9V to 3,5 volt ; so my ADC reading would be change ; Does STM32F407 has internal Refence ? I ...

STM32F4Discover - Accurately time 8 inputs

Posted on July 21, 2017 at 08:51Hi,Apologies ahead of time if my terminology isn't spot on, pretty new to this.What I'm trying to do is accurately time LOW to HIGH events on 8 separate pins relative to each other. I've calculated that I need 32 bit ...

Resolved! I2C stuck when SPI enabled

Posted on August 07, 2017 at 12:31 Hello, I have the following problem: I have a I2C communication routine that takes about 2ms to be executed. After I do the first read/write operation on a SPI peripheral, the same routine takes250ms the f...

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Resolved! Real breakpoints with ADC and interesting phenomenon

Posted on August 08, 2017 at 14:52I'm using STM32F103CB to convert the analog outputs from three polar hall sensors arranged circularly, a magnetic actuator rotates in the center, but I get the voltage value with strange breakpoints, and these happe...

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STLINK Utility V3.9.0 Installer

Posted on August 09, 2017 at 04:55Where can I get the old release of STLINK Utility? The latest version (V4.0.0) is failing on me. I need the V3.9.0. Anybody has the installer for windows 7?

STM32(F4) register programming

Posted on August 08, 2017 at 18:56Hi,I would like to programm my mcu (stm32f4) directly with the reference manual. Are there some examples from ST to see how it is done? I would need for the start examples of: I'C and GPIO.Hope you could help me,tha...

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STM32CubeMX bug - can't select AF on PH6

Posted on August 09, 2017 at 03:39STM32CubeMX 4.22.0, F7 cube 1.7, stm32f769i-discoveryI want a 32 bit timer with pwm capture on the arduino headers. Attempting to select TIM2_CH1 on  PH6 fails. In the application, it just puts the ball to reset mod...

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Resolved! STM32CUBEMX feature request

Posted on August 08, 2017 at 22:50Hi, I currently have a CUBEMX project for a STM32F7 LQFP100 chip and I want to create a new project for the pinout equivalent in the STM32H7 series. In CubeMX I can generate a pinout listing from my F7 project as a ...