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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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Writing and reading flash

Posted on February 04, 2015 at 14:06 hi i have an stm32f4 and i try to write and read flash value. #include < stm32f4xx_hal.h > #include < stm32f4xx.h > #include < stm32f4-hal /stm32f4xx_hal_flash.h> float dataflash1 = ...

Timer Capture for frequencies < 100Hz

Posted on February 03, 2015 at 02:20Hello, I am endeavoring (as with every hair-pulling experience with the STM32F4) to measure/capture LOW frequency pulses. For this, I'm assuming I need to use a 32 bit timer: TIM2 or TIM5. This is a bit of a dilem...

STM32CubeMX 4.6 - STM32F373 GPIO_EXTI issue?

Posted on January 26, 2015 at 10:56 Hi all, I'm trying to activate GPIO_EXT line with interrupt. But when I set some pins with this configuration by tool, no NVIC Interrupt are ''created'' for this functions. I need add manual code instm32...

enrico2 by Associate
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STM32 USB doesn't work compilation with GCC

Posted on February 02, 2015 at 00:12 I'm testing ST's USB Virtual COM Port example code(fromSTM32_USB-FS-Device_Lib_V4.0.0) on STM32F103ZET6 board,and the binary that is produced could not enumetate when compiling with gcc(-O0 or -O2 or -O3)....

obit by Associate
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UART Question

Posted on September 03, 2014 at 18:42Hello everyone, I was wondering how to turn of the UART Interrupt, I am using HAL_UART_Receive_IT to receive incoming characters on the serial port.  periodically I want to take over the port and control it manua...

STM32F4 TIM causing FLASH PGPERR

Posted on January 30, 2015 at 13:09 Hey Everyone, I'm using an STM32F405 on a custom board with the STM32CubeF4 library. Whenever I enable the TIM4 peripheral, the TIM4->DMAR register automatically changes from 0 to 1. This is causing th...

Why Does Timer Pin Stay High After Disable?

Posted on January 30, 2015 at 00:19I'm setting up a PWM1 timer output on PC6. It configures and operates OK. However, at the end of the duration I run it for, I disable it, either by direct register, or the function call: TIM_Cmd(TIM3, DISABLE);   ...

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