STM32 MCUs Products

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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...

uli stone by Associate II
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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 ...

EEPROM endurance, calculation of EEPROM writing cycles

Posted on August 08, 2017 at 11:14Hi all,How is calculated the number of times that a certain byte of the internal STM32(L0) EEPROM is written in the following situation?1 - The firmware writes a byte in EEPROM address 0x0808 0000. The code *(uint8_...

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M F by Associate II
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Interrupt triggered only once

Posted on August 07, 2017 at 22:06  The original post was too long to process during our migration. Please click on the attachment to read the original post.

STM32L1 Current consumption in Stop Mode

Posted on August 08, 2017 at 13:35I used CubeMX code generator,Internal Clock 4.194MHz MSI / ADC / LCD / RTC / TIM2 / TIM3 / USART1Before Stop Mode Enter,void Before_Stop_ST(void){ //--- LCD Off LCD_All_Display(0,1); HAL_LCD_MspDeInit(&hlcd); HAL_L...