STM32 MCUs Products

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STM32F446 and FMC stops working

Posted on July 04, 2017 at 09:34Hi,I have an STM32F446 + external PSRAM.Everything's working fine, but it seems that I have a bug in my software that sometimes (hard to reproduce) breaks the connection between the STM32 and PSRAM.When it is the case...

Kuikui by Associate III
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Resolved! Hard fault on I2C initialization

Posted on June 30, 2017 at 09:52Hello,First I am new in ST device, I only used Microchip PIC for 6 years.So any advise or comment will be appreciated.I am trying to use I2C interface on NucleoBoard F091RC1.I2C_HandleTypeDef* hi2c1;void i2cInit(I2C_H...

Spread Spectrum (SSCG) and USB on STM32F429

Posted on July 04, 2017 at 08:26Hello everybody,i want to use Spread Spectrum on the STM32F429BIT but i want to use USB too.Is there a possibility to run the USB on a clock without Spread Spectrum?For example the STM32F446 has the option to choose b...

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mfrank9 by Associate III
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Are STM32 Boards suitable for Firewall ?

Posted on July 03, 2017 at 20:07Hi guys, I have https://questtel.com/unit/2ch-hdmi-qam-modulator-with-iptv-encoder/ and it has Web GUI, once I opened wan access - it got bruteforced, so I was thinking to assemble smple firewall with a list of permit...

MULTI CHANNEL AUDIO ADC TO STM32F407

Posted on April 30, 2017 at 16:23as title audio adcHello: How to connect a AK5534 4-Channel Differential 32-bit delta sigma audio ADC to a STM32f407  I2S port using DMA?  The 5534 outputs a Time Division Multiplex TDM mode where the first channel da...

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STM32F0 Cube FW Library's SPI bug

Posted on June 30, 2017 at 04:40F0 cube library's SPI API has problems.In spite of running 8 bit transmission mode, the library transmit a 16 bit data.So the misalignment check routine does not filter the unaligned address on 8 bit mode.Then, I thin...

just4you by Associate II
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I2c1 problem at frequencies above 8MHZ

Posted on July 03, 2017 at 13:26Hi,I use from stm32f103c8t6.I haven't problem with i2c1 in this micro but at frequencies above 8mhz , i2c1 does not work.While the i2c2 has no problems at all system frequencies.I want use usb-cdc ,for this reason I c...

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