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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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HardFault exception problem

I make boot loader for jump to 0x08020000And, I make program that start from 0x08020000, also same vector table address(0x08020000)It works well, but sometimes(when program modified), it doesn't workI use debugger, and get result below//Fault excepti...

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mcho.19 by Associate II
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STM32F446RE I2S can't output clock

hi all, I wan to use PA4, PA5 and PA7 as I2S.but can't output clk. follow is code for I2S setting: // clock setting   RCC_PLLI2SConfig(16, 334, 2, 7, 7);  RCC_I2SCLKConfig(RCC_I2SBus_APB1, RCC_I2SCLKSource_PLLI2S);  //RCC_I2SCLKConfig(RCC_I2SBus_APB2...

khuan.81 by Associate
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  • 6 replies
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STM32H743VITx DCMI DMA Capture in RAM_D2

Hi, i able to trigger BSP_CAMERA_SnapshotStart and save the camera output to RAM_D1. But when i change to save the camera output to RAM_D2. I not able to get the output at BSP_CAMERA_FrameEventCallback.//uint8_t camera_frame_buffer[480*480] __attribu...

KK by Associate II
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  • 3 replies
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Resolved! Where is timer clock source documented?

For example timer A: is it low-speed (APB1) 'APB1 timer clock' or high-speed APB2 'APB2 timer clock'?I read the timer and RCC sections but could not figure this out...Can you tell me where this is documented?Thanks!

STM32F407VG UART DMA Not Working Properly

Hello Guys;I am trying to do Push Button Interrput UART+DMA application, but I have a problem about the UART DMA. When I configure the dma in normal mode it just make transmit once. I need to use dma every time I push the button. This is my code ;#i...

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