STM32 MCUs Products

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Resolved! STM32G4 TIM3_ARR and TIM4_ARR width

I believe there is an error in the STM32G4 Series Reference Manual regarding the width of TIMx_ARR for timers 3 and 4.The reference manual shows a width of 20 bits for TIMx_ARR for timers 3 and 4, below.However, both TIM3 and TIM4 are 16-bit timers, ...

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StevenR by Associate
  • 598 Views
  • 2 replies
  • 2 kudos

Resolved! I2C with DMA not working

Hi,I'm somewhat new to STM32. I need to use DMA to collect data from a tempreture sensor over I2C.My sensor is an Adafruit MCP 9600 and I'm using a Nucleo F446RE board. Following is the code I use. Can someone help as I've been stuck here for days wi...

sadeepTA by Associate II
  • 3957 Views
  • 11 replies
  • 9 kudos

Entering Standby mode - STM32H503

Hi... We are planning to use STM32H503KB (32 pin package) in our application. The MCU VDD is supplied from either of the two sources:1. With power supply (5V)2. With 3V cellOur need is to bring the MCU to standby mode when the supply is provided from...

STM32G070RB ADC in Low Power Mode

Is the ADC available in low power run and sleep mode for the STM32G070RB?I am trying to monitor 4 ADC channels continuously with a power budget of under 100uA. I would use the analog watchdog to wake the processor in the event of tripping the high or...

Resolved! STM32H733 TIM ETR reduces input clock level

Heyho,and one more problem with my custom board with a STM32H733ZGT6 (LQFP-144, almost same as H723 on Nucleo).I'm using TIM5 for input capture, with CH1 (GPIO A0) and ETR (A4) as external clock input.The setup code is the same as on H723-Nucleo and ...

LCE by Principal II
  • 1661 Views
  • 9 replies
  • 3 kudos

STM32F107RCT6 RAM overflowed

STM32F107RCT6 has 64K Bytes SRAM in total , i use just 26K Bytes, and heap still available, but it overflows, i get confused. if i just change Heap_4 to Heap_5, my code can compile successfully, but it doesn't work. how to solve this problem?  

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Hamster by Associate II
  • 735 Views
  • 3 replies
  • 1 kudos

Resolved! STM32L010C6Tx Sleep Mode

Hi. I am using STM32L010C6Tx. I want my microprocessor to sleep for 10 seconds after processing. I want to use Sleep Mode. I don't have any interrupt pins. I want it to wake up after 10 seconds. How can I do?

ZKURT.1 by Senior
  • 6781 Views
  • 8 replies
  • 0 kudos

Resolved! stm32f103vet6 no osc no cap Swd download ok

 no osc no resist no osc but it run and download with swd light led pb12 ,but when fixed pin anybody know v2.9.0 ------------------------------------------------------------------- ST-LINK SN : 16004A002933353739303541 ST-LI...

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st128 by Associate
  • 764 Views
  • 2 replies
  • 1 kudos

Debugging from board

I have a microcontroller stm32 series on one PCB board.I tried to debugg the memory with the st link v2 mini dongle and utility software.but couldn't connect. 

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ST7789

According to the datasheet, what is the maximum speed of the ST7789 for the SPI protocol? If we use an LCD with the ST7789 driver and connect it via the SPI protocol to a microcontroller, would we get higher speed with the STM32G0B0CET6 microcontroll...