STM32 MCUs Products

Can stm32 mcus work with TM1809 led driver?

I'm trying to get TM1809 led driver working with stm32 mcus, I tried with f103 and f030 ones but had same results, I can successfully send 1 to the driver but can't send 0, looking at it with oscilloscope it seems even at low-est delay possible the p...

STM32F334 use both TIM16 DMA channels

Hi there, I tried the hole day to use two DMA channels (TIM16) as depicted in thereference manual. If I understand it right, there is the option to use channel3 and channel 6. At channel 6 the update event can be disabled. That’s exactlywhat I need, ...

Concerning the b-l475e-IoT01a discovery board, what information can I find to the revision mb1297 E-01 ? The User manual UM2153 dated October 2019 only covers up to D-01.

Fastest/best way to recover from a SDMMC TXUNDERR error, and write again successfully?

Hello, we are using the SD Card HAL code on an STM32F7. We are pretty much using the default initializers for the peripheral, which leave us atSDMMC2.POWER = 0x00000003 SDMMC2.CLKCR = 0x00000900 SDMMC2.DCTRL = 0x00000033We have some operations that ...

hi guys, I've been trying to write to internal flash for the last two weeks, and unfortunately, I didn't manage to do so. I worked with the function I have from the library and read in the manual.

tst= 0x121212121212HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD,0x8000000,tst); the address i took from the manual as well. i cant understand whats going on, please help me.thanks a lot

How to place a variable into the CCM SRAM using the scatter file?

I'm using the arm_rfft_fast_f32 function, I write a scatter file and place some library files in the CCM SRAM like below, and the speed is faster. RW_IRAM2 0x10000000 0x00002800 { ; CCM SRAM 10kB  .ANY (ccmram) arm_rfft_fast_f32.o (+RO) arm_cfft_f3...

I am using Nucleo-STM32G47RE. I've set up all pin peripherals to analog mode. and no pull down. Afer that, STOP1 mode is enabled.On JP6 I am measuring 160 µA. (Datasheet 80 µA). Is there something that I've forget to turn off to have that consumption?

Hey community! I'm trying to get a TCA9548a Digital Multiplexer working with some OLED Displays.

I can't seem to get the multiplexer to initialize each display and such nothing is being displayed. Could anyone help?

DMA transfer

I want to ask for serial line is there any limitation os using DMA transfer for slow periodc data??Thanks in advance for any help.