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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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stm32f407 TIM1 and TIM8 sync

Posted on March 14, 2015 at 15:18 Hello I'm trying to synchronize TIM1 and TIM8 (slaves) via TIM2 (master).. I checked the manual and says it can be done (p. 554/1710).. Although TIM2 works fine, TIM1 and TIM8 are off.. Please check my co...

zarkscon by Associate II
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STM32F3 fake scan mode on ADC?

Posted on April 04, 2015 at 08:23In the file stm32f3xx_hal_adc_ex.c of HAL Driver library it could be seen in comments follows lines:     /*   Note: Scan mode is not present by hardware on this device, but       */     /*   emulated by software for ...

evgeny by Associate
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problem in sending the data of 16 bit

Posted on April 04, 2015 at 07:51hii using cube for configuring the SPI of stm32f030r8t6. i tested the spi by sending a 8 bit data.now the problem i am facing is when tried to send a 16 bit data through the spi it only shows the data till value 0x00...

EXTI interference problem stm32f4

Posted on April 03, 2015 at 21:22Hi, I have a problem with my stm32f4 (I work with keil)…I was configured tow DC motos with PWM with TIM3 connected to PA7 PA6 , PB0 , and PB1 pins. To know the motors rotation I was use tow simple optical encoder tha...

haythem by Associate II
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STM32F103 SmartCard Question

Posted on April 03, 2015 at 01:34I am trying to create a smartcard driver on the STM32F103.  I am using USART3, and the ST8024CTR interface chip.My problem is that I can read the cards (with a hack of a workaround), but cannot write to them.  What i...

jwormsley by Associate III
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32F429IDISCOVERY external power supply

Posted on April 03, 2015 at 14:33Hi,I am trying to design an external power supply for my disco board and I'm a little bit confused how the power supply schemes of STM32F4 relly works...My idea was to have a possibility of external power supply stab...

Scatter Brain

Posted on March 31, 2015 at 14:32I have a bootloader which needs to read an 8 byte char array from the application area to identify it's version information. So bootloader is located at 0x08000000Application firmware at :   0x08020000the char array ...

joe by Associate II
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how to use ISER register in cortex-m4 core

Posted on April 03, 2015 at 10:48thanks to read this.i want to activate NVIC based on cortex-m4 core.but i am struggling to use Interrupt Set Enable register(ISER).pls anyone explain about NVIC in cortex M4 core and how i can use this.          than...

CubeMX USB STM32F1xx

Posted on April 03, 2015 at 09:46hello,i'm giving a try to CubeMX. a simple test prog in stm32f4vl_disco (HID interface) works like a charm. the same prog for a STM32F103RBT6 (stm32-mini from china) starts ok, stays alive, but no usb at all.noting v...

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