STM32 MCUs Products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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send raw eth packets

Posted on March 12, 2016 at 07:47hi i am able to send/rec udp/tcp-ip packets on my stm32F4 via LWIP library and aid of cubeMX.i can see and track the transmitted packets from the STM32 board to pc (via wireshark) now i need to send some raw Ethernet...

STM32F1 SPI MOSI default pin level

Posted on December 15, 2015 at 01:42Hello, I want to use SPI to create a NRZ Style pattern. Everything is ok, except that I need MOSI to be low in between transmissions. Currently MOSI goes high after last byte shiftet out. I created a CubeMx projec...

taraben by Senior
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STM32F4 SPI Busy Issue

Posted on March 11, 2016 at 17:20I'm using SPI in bidirectional 8 bit master mode to send 4 bytes to/from my control panel using HAL_SPI_TransmitReceive_IT(). When using SPI_BAUDRATEPRESCALER_256 it works fine, but smaller values cause the module to...

elmood by Associate III
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stm32f100 pwm duty cycle

Posted on March 10, 2016 at 19:21I would like use the stm32f100 for buck loop control. In first, I reach to configure the timer and gpio to get a fixe PWM. But I don't know, for the moment, adjust or modify the duty cycle with a command. Before I u...

Troubles with priorities

Posted on March 09, 2016 at 17:25Hi there, can anyone help me with this??Im working with STM32f407.The programm consists in switch on/off lights and change its intensity using dimmer.A 50Hz wave is connected to a zero cross detector, and its output ...

miguel2 by Associate II
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stm32 discovery external supply problem

Posted on May 16, 2013 at 13:51I would like to program my stm32 discovery board via st-link, to do this i am trying to power my board externally by using 5V pin. However, when i powered the board, ld1 com turns red, but it blinks. In this case, the ...

asecen89 by Associate II
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