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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Motor Encoder read - please help

Posted on April 12, 2013 at 20:45Hello, I have my own developed board for motor driving. MCU is STM32F407VET6. The board has inputs from 4 motor encoders. I need to know an actual speed of each motor. ENC1_A, ENC2_A, ENC3_A, ENC4_A pins are connecte...

ondrej by Associate II
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  • 3 replies
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Recommended electrical connection for SWD/JTAG port

Posted on April 12, 2013 at 20:09Hi All,I am building a custom board with a STM32F415ZG.  I was wondering if there is any documentation recommending how to connect the debug header?   Is it safe to directly connect VDD to pins 1-2, GND to the numero...

swinchen by Associate II
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  • 2 replies
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ADC Trigger TIM8

Posted on April 03, 2013 at 13:35 Hi, I create a TIM8 mode up and down using this Instruction TIM_TimeBaseStructure.TIM_Period = 2000; TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue; TIM_TimeBaseStructure.TIM_ClockDivisi...

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bmwael1 by Associate II
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Problem on I2C bus

Posted on February 28, 2013 at 18:40 Hi everybody, I've got a problem on the I2C bus. I'm trying to read/write an EEPROM (24AA1025 from microchip). When I'm writing into the EEPROM, I can see I2C sentences on my oscillscope. They're lo...

why have no IDE to support the STM32F439?

Posted on April 10, 2013 at 11:25i have a board with MUC STM32F439,but i have an problem?i found the IAR FOR ARM can't support the MCU STM32F439 in the web www.IAR.com .It's pity that  the KEIL did't suport the MCU STM32F439.how to deal with it ?can...

aizhixi by Associate II
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  • 3 replies
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Data from ADC to USART

Posted on April 11, 2013 at 23:06 Hello, what changes must be performed in following code in order to send acquired data from ADC to USART and not to LCD (as it is now)? /** ************************************************************...

hospodar by Associate III
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  • 4 replies
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STM32F103RB CAN PINS PROBLEM

Posted on April 11, 2013 at 16:03 Hi, I have a problem with the CAN keil example for mcbstm32 board. I use this example a lot with the remap for CAN so the pins are PB8 and PB9. That is theDefault configuration for the board. I tried to chan...

felipe by Associate II
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  • 4 replies
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pwm with a voltage between 1v and 3v3

Posted on April 08, 2013 at 06:28Hi all,i have a problem, i have 6 complementary pwm (TIM1) and i used ADC to change the duty cycle. this my main function:int main(void){          /* System Clocks Configuration */  RCC_Configuration();  /* GPIO Conf...

STM32F4 DISCOVERY on eclipse

Posted on April 10, 2013 at 14:51Hi, Am programming an STM32F4 Discovery on eclipse , i staeted with the IO_Toggle example but i got this errors : Symbol 'GPIO_Pin_15' could not be resolved Symbol 'RCC_AHB1Periph_GPIOD' could not be resolved   Des...

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