STM32 MCUs Products

There is a need to interact with the 3-pin MediaLB bus.

Hey!There is a need to interact with the 3-pin MediaLB bus.I cannot penetrate into it.How the data exchange takes place, what conditions must be observed, how the request and return frame is formed.Perhaps there are examples of working with the bus o...

SPI modes unclear

Hi everyone,I am working with the SPI in slave mode on an STM32G071 and having some trouble with the different SPI modes. I set both CPOL and CPHA to 0 during initialization: SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX; SPI_InitStruct.Mode...

I ordered the board from the distributor

What is the default value for PLLON ? If it is 0, should I put a while(PLLRDY =1）?

I have an application running on HSE as system clock..and I set the multiplexer to select HSE, totally not using PLLbtw, should I put any configuration to my PLL? such as PLLON =0, and while(PLLRDY==1) , to “properly configure�? the unused PLL?Or sho...

STM32G071 write protection, bricked MCU flash

Hello, MCU bricked after I tried to remove write protection. Now when I read the flash it shows only 0xFFFF0080. Read the full description bellow. We are making new project using STM32G071.We use serial communication custom bootloader so we can updat...

DMA unexpected work on stm32g071

i want to use dma ch2 to response a request of Req_CC3 to load a new value to TIM1 CCR1 or CCR2 . i need dma in some turns but not always so i choose nomal mode. i'd like to know if dma request is  accumulated in stack or somewhere. caus...

How to find the address of the BLE advertising device?

I have to extract the RSSI from scanned packet w.r.t to its device address. I got the RSSI but I am unable to get the actual device address. But in the manual they mentioned that"Once the scan parameters are set, the device scanning can be enabled. T...