STM32 MCUs Products

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Forum Posts

Bootloader sometimes run slow.

Posted on May 19, 2016 at 05:12Hi:   My systems run STM32F427@168 MHz using external oscillator @ 8 MHz. The system will first run boot-loader then jump to main application. I find that sometimes the boot-time is long. After check it's due to boot-l...

how to use BSP in general / IHM01A1

Posted on May 18, 2016 at 16:05Hello everybody, I am experimenting with an Nucleo-STMF030R8 and the X-Nucleo-IHM01A1 Expansion board. The example Project from STM32CubeExpansion-SPN1_V1.6.0 is working fine and i also managed to modify this Project. ...

STM32CubeMX Two VCPs using CDC

Posted on May 17, 2016 at 14:29I'm a beginner in USB Stack on STM32F4. I have a question about creating a project using CubeMX (STM32F4 Discovery) for USB CDC to have 2 Virtual Com Ports in the ''Device Manager'' ? Thanks

Operate SDMMC1 at higher clock in LP Run mode

Posted on May 16, 2016 at 08:53Hi,I am using STM32L4x6 MCU. I am trying to reduce the overall power consumption. For that I am running MCU @ 2MHz in LP Run mode. Currently the SDMMC1 transfer clock is set to 800KHz. But I want to increase while keep...

dhaval by Associate II
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Slow transfer rate USB-HS MSC

Posted on July 17, 2015 at 00:46Hi All,I have created a project that hooks USB-HS MSC via the SDIO interface on the STM3240G devkit, I have used just the standard (unmodified) libraries. I am using cubemx v4.9.0 and F4 libraries v1.7.0The transfer r...

NSS does not wait SPI communication ending

Posted on May 16, 2016 at 13:52I have a code in STM32f030 whih communicate with an IC through SPI .My code is   SPI_I2S_ITConfig(SPI2,SPI_I2S_IT_RXNE,DISABLE); while(1) { ans_status=notArrived; GPIOB->BRR = GPIO_Pin_12;//select slave delay(40); wh...

ionutF by Associate III
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STM32F031C4 SPI with multiple slaves

Posted on May 19, 2016 at 00:21Hello all, I am trying to use the STM32F031C4 for a power converter application. The microcontroller has inbuilt ADCs, but due to grounding issues, we need to use external ADCs to convert some of the analog signals and...

STM32L162RE EEprom programming using STLink utility

Posted on April 07, 2016 at 07:44 I have been working with STM32L162RE MCU. For programming I am using STM32 ST-Link Utility as well as ST-LINK_CLI. From the data sheets I understand that it supports 16KB of Data Eeprom and 512KB of flash memory. I...