STM32 MCUs Products

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Resolved! How to close the IWDG when STM32L051 enter stop mode.

when I use STM32L051, its iwdg and stop function ,after it enter stop mode ,the iwdg is also working,I want to close the iwdg when it's stopped,but I didn't find this bit of "IWDG_STOP" in FLASH_OPTR register ,so I don't know how to do ,because I use...

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泽陶.1 by Associate II
  • 1606 Views
  • 4 replies
  • 1 kudos

Adapting Custom Keyboard GUI to multi-screen application

I have been fighting to get the keyboard adapted to a multi-screen application for several days. I have gone thru the code generated by the Custom Keyboard GUI and the code that I have adapted for my application. I just don't see how to get the keybo...

LDoyl by Associate III
  • 337 Views
  • 0 replies
  • 0 kudos

Problem with simple I2C read on STM32F105

I am simply trying to read a few bytes from an I2C memory device using the following code: uint8_t buff[ 4 ]; HAL_I2C_Mem_Read( &hi2c1, ( uint16_t )( 80 << 1 ), 0, I2C_MEMADD_SIZE_16BIT, buff, 4, 10 );However, when I look at the output on the ...

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Resolved! STM32F103RGT6 - Confusion about adc pins

Hello.I want to use ADC in my STM32F103RGT6 Uc, but I don't understand what pdf's says about where the pins are.In this document We can see, that there are 3 ADC converters: ADC1, ADC2, ADC3.However, reading further on page 29, I can see alternate fu...

fifi_22 by Associate III
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  • 1 replies
  • 0 kudos

Apparently a conflict when clearing TC flags of DMA2 Streams

Hello to all, I hope you and your families are safe and sound. I am working to improve my project based on the STM32F469 MCU, but now I am experiencing a weird behavior. I can't post the code of course, too many files connected, so I will try to expl...

Digimorf by Associate III
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  • 8 replies
  • 0 kudos

Resolved! concatenate 2 byte arrayes

hi there I want to concatenate these 2 byte arraysuint8_t START_BYTE[2]={0x05,0x64};and uint8_t disunsini[]={0x15,0x3C,0x02,0x06,0x3C,0x03,0x06,0x3C,0x04,0x06};so I can get {0x05,0x64,0x15,0x3C,0x02,0x06,0x3C,0x03,0x06,0x3C,0x04,0x06};I used the code...

Ala by Senior
  • 2635 Views
  • 1 replies
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Resolved! Wrong clock source on Timer!

Hello,I am trying to program my TIM2 to set an interrupt every 100ms. As seen in the pictured that is attached, its APB runs on 170MHz. Given so, I have set the prescaler to 34000 and the counter to 500.It has been functioning correctly this whole t...

PMach.1 by Senior
  • 1041 Views
  • 5 replies
  • 0 kudos

Product Service Life

Model Name: STM32F103RCDear Sir or Madam,Greetings from Korea.I’m a RA of a medical device manufacturer in Korea.I'm writing to ask about if you could provide any document which shows the product's service life.According to IEC 60601-1, Clause 4.4, w...

SWON.1 by Associate
  • 539 Views
  • 1 replies
  • 0 kudos

How to choose the 8MHz crystal oscillator for STM32F407?

I'm trying to replace the oscillator of the STM32F407 since I can't find anywhere the one listed in the bill of materials:It's a 8Mhz crystal oscillator from jfvny and it is in a HC-49/S package, the load capacitance is 20pF and frequency tolerance o...

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SFara.1 by Associate
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  • 1 replies
  • 0 kudos