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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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STM32F030 ADC frustration

Posted on October 28, 2015 at 14:57Hello everybody, with this code, no matter what I do, I always get 4095 (max). I've tried looking at Clive examples or IAR's examples I just can't see it. Could someone take a look and see what am I missing. I need...

matas by Associate II
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  • 7 replies
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Issues with composite VCP+MSC: VCP not working

Posted on May 01, 2016 at 17:49Hello, I am stuck in implementing USB composite (VCP+MSC) using FS-Device_Lib_V4.0.0 (STM32L151). Individually both works but when I try composite VCP+MSC, MSC works well but PC can't communicate via VCP (although it c...

rumlyen by Associate II
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  • 2 replies
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grid connected inverter code problems

Posted on April 30, 2016 at 16:27 hi I have problem with adc sampling and controller calculating at each period of sampling(each sampling time) .I fond this from st,com . I have some questions : 1.what is the meaning of first line exactly an...

Can't make the ADC run on stm32f4-discovery

Posted on April 28, 2016 at 16:45I have a stm32f4-discovery with the stm32f407vg uC on it and I'm trying to program the ADC1 and measure some signals on the port PC7 with it. According to the documentation PC7 hangs on the ADC12_IN15 which I'm inter...

zdravko by Associate II
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  • 3 replies
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STM32/JTAG programming interface doubts

Posted on April 29, 2016 at 01:24STM32 programming interface doubtsHello all.I'm new to ST microcontrollers (STM32 in this case) and JTAG interface. I'm doing the schematic of a project where one of these microcontrollers will be used:- STM32F401RCT...

jeferson by Associate II
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  • 8 replies
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I2C STM32L053 problem

Posted on April 29, 2016 at 12:19 Hello I have question about i2c. My mcu i2c pin connect to i2c pin evaluation board BU945 My i2c init like this I2C1Handle.Instance = I2C1; I2C1Handle.Init.AddressingMode = I2C_ADDRESSINGMODE_7B...

dree86 by Associate II
  • 236 Views
  • 1 replies
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Timer OC problem

Posted on April 19, 2016 at 15:18Hi, I´m using TIM3(output compare mode) in stm32f072 to generate waveform via GPIO. My function principle is: - timer initializing - timer is still running, only is enabled TIM_IT_CC3 a output TIM_CCER_CC3E (BUS_Set_...

STM32F0 custom bootloader

Posted on April 28, 2016 at 07:11Hi, I have made a custom bootloader, but it sometimes freeze when going from bootloader to the actual firmware.  Usually the bootloader should just go to the firmware by doing the following:uint32_t startAddress = *(...

andy2 by Associate II
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  • 2 replies
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