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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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Resolved! STM32F103C8T6 UART 8-bits and Even parity

Hii I am using STM32F103C8T6 controller. In this controller I am using the UART1 and UART2 transmitting and receiving data. In UART1 I adjust 9600 Baud rate, 8-data bits, None parity and 1 stop in these configuration I am transmitting and receiving d...

Yeswanth by Associate II
  • 456 Views
  • 4 replies
  • 3 kudos

ADC channel numbers incorrect on datasheet STM32U031R8T6

Hi, I am just trying to run adc in discontonous mode to measure some voltate from two resistor divider connected on channel 6 (PA1) and channel 7 (PA2) and also Vref from internal channel 12 as per datasheet. see below screenshot from DS14581- Rev2 ...

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KSB by Associate II
  • 372 Views
  • 2 replies
  • 0 kudos

Resolved! STM32G030K6 usart bootloader

 Hi, I have a custom board with STM32G030K6 and I wish to use the buildin usart bootlaoder. I have checked the AN3155 and AN2606, but I still cant figure out how to enter into the bootloader. I found that for my MCU, I need Pattern 11 to activate boo...

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KlemenDS by Associate II
  • 482 Views
  • 4 replies
  • 1 kudos

STM32H7 ADC Baremetal - Cannot get ADC module ready

I am trying to make baremetal ADC driver for following development board STM32H723ZG Nucleo (144 pins).Reference manual: STM32H723 Reference ManualDatasheet STM32H7xx Nucleo DatasheetTo simplify, lets assume (for example) to use PA3. According to Dat...

AJelen by Associate II
  • 2228 Views
  • 8 replies
  • 0 kudos

SPI txCRC wrong value

Hello,I am using SPI with crc enabled on stm32f429ig.The problem is: if master's SCK's gpio speed is configured as medium, everything works fine. BUT if it is set to veryhigh, transmitted crc (read from TXCRCR register) always calculates a wrong valu...

Dav1d by Associate
  • 277 Views
  • 2 replies
  • 0 kudos

Resolved! OCTO SPI output impedance on H7-series

I have swapped from a custom PCB-board with a 6-layer stack using a STM32H725IGKB, to another custom board with a 4-layer stack using STM32H723ZGT6 (simpler package).I am using an external OCTO SPI on both boards, but I have R/W errors with the 4-lay...

Resolved! How to handle Variable length receive data via UART?

uint8_t rx_buffer[32], rx_flag, rx_index, rx_data, RxData[32];   void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if (huart->Instance==USART1) { //if the data is not being received, clear the buffer if(rx_index ==0) { for (int i=0...

TMuka.1 by Associate II
  • 9420 Views
  • 15 replies
  • 3 kudos