STM32 MCUs Products

How to use expansion packages for keil project?

SPI – bit shift issue in MISO line of STM32F303x (Slave) - with MOSI unaffected

Scenario – Currently I am using STM32F303CBxx as my slave and an Infineon microcontroller as a master. The communication takes place via SPI with the clock frequency as high as 1.985 MHz (approx.). The master and slave are inside a closed metal compa...

Problem on STM32L4R9 Discovery with VGA camera capture into PSRAM.

I am using STM32L4R9 Discovery board with 2 MB external PSRAM and OV9655 camera (DM-CAM130). The demo code I've got has example of VGA camera configuration, however it requires a framebuffer too large to fit inside RAM. When I am choosing PSRAM, I am...

Hardware interface for eMMC

I am using a STM32F407 processor

STM32 RS485 Communication does not work as expected

I have a weight cell which replies to specific frames over RS485 (cell contains its own communication protocol). Manufacturer has a software to test the cell so I connect it to my pc using a RS485 to USB converter and I am able to connect to the cell...

STM32 In-Application Programming for updating the configuration variables

Hi,I have a STM32L4R5ZI based system that has some configuration parameters to be set based on the customer requirements. I want to make those settings being at customer place. I will not be having any compiler to modify the code for updating these s...

Sleep current

I am using STM32L010K4. I want to reduce the sleep current to 3uA ,But in the datasheet it is mentioned the the minimum sleep current is 1mA with all the peripherals disabled, which is a larg value  

STM32H743 Stack and Heap

Hi,I have my scatter file defined thus:// Scatter fileLR_IROM1 0x08000000 0x00200000 {   ; load region size_region ER_IROM1 0x08000000 0x00200000 { ; load address = execution address  *.o (RESET, +First)  *(InRoot$$Sections)  .ANY (+RO) } RW_IRAM2 0x...