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...


STM32F4Discovery I2C in Slave mode

Posted on December 24, 2014 at 19:14 Hello! I need to connect two STM32F407Discovery board via i2c for my task. First board is master which send data packet to slave board and receive data back. Slave board just receive data and save it f...

vasyl by Associate
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Posted on December 18, 2014 at 16:15Hello to everyonei have being used to std library on stm. Now i passed to Hal library. I write an Usart code. I i dont use intrerrupt its work correct. But whe i set interrupt routine its not enter to RXNE IRQ han...

emre2 by Associate
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Can't enable DMA1_Stream7 in STM32f4 Discovery Kit

Posted on December 23, 2014 at 22:39 I'm trying to transfer data from DMA to SPI3,but my code can't enable DMA1_Stream7! Someone please hepl me!!! Thanks you very much! This is my code: #define CODEC_I2S SPI3 #define I2S_STANDARD I2S_S...

tlta by Associate
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f407 usb host problem

Posted on December 24, 2014 at 09:32im trying use usb host and device same timebut the host totally not functionali tried to use USB HS port as FS host only DM and DP pin useduse internel PHY , 5V power source checkedthe interrupt have no response t...

STM32F407 discovery HSE crystal is always oscillating

Posted on December 23, 2014 at 15:36Hi, I've been using the STM32F4 discovery kit (the one that contains the STM32F407 MCU) and I've noticed something strange. When I stopped the code at the SystemInit fuction and probed the HSE I saw that it was al...

eli_az by Associate II
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Port ''spanning'' STM32F

Posted on December 23, 2014 at 20:06Not sure if this is the correct term but to aid in laying our a pcb for my project where I have three 16 pin devices that need to connect to i/o ports. I would like to know how much of a performance hit will the p...

kbkibbe by Associate II
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generate pwm signals from four different timer

Posted on December 23, 2014 at 14:12Hi everyone.. Im trying to generate pwm signals from four different timer as tim10 tim11 tim13 tim14... Im driving step motor by stepper driver. I can do discrete way but I have to drive at same time... How can I ...