STM32 MCUs Products

Timer cookbook wrong figure ?

Shortly, cookbook says ETR frequency higher than core clock. It seems wrong. I am not sure if the information given is correct.

connecting MCP23017 extender to STM32F4 DISCO communication/testing

Hello!I am trying to connect 8 mcp23017 gpio extenders daisy chained to stm32 but I am having difficulty testing the validity of the ports. I configured the extender and set up the pins to be output pins but when I send the data to write active high ...

Stm32F4 i2c as master trasmit HAL_OK but not working

I’m using the board, motordriver IIC, to control motor through I2C bus.The chip on the board is PCA9685.​The board is originally a extension for arduino UNO, and I’m using STM32F446RE which also support arduino UNO expansion connector.​The official g...

how i can find the Internal trigger connection of 446r neucleo board (ITR with TIMx) and in which reference i can find this?

Is the ST87M01 NBIoT chipset supports the NIDD protocol?

STM32G030K6T6 FLASH MEMORY SIZE I am using a STM32G030K6T6 with ST32CubeIDE and HAL. Is there any way to reduce the flash memory usage? Need to reduce the fasl memory usage by 1kbyte.

How to connect to U5 discovery board on Windows 11

Hello,​I have watched the ST video "Discover the new STM32U5 IoT node B-U585-IOT02A Discovery kit", which showed using the STLink Virtual COM Port (VCP) with a terminal program to connect to the board. I've also seen articles, with no answers, about ...

STM32L5 - Single Bank Flash Mode

I'm attempting to switch to single-bank flash mode on an STM32L562ZET6Q (512k Flash), but so far I've been unable to get the Flash OPTR to operate as the reference manual claims.I used the normal process for modifying the OPTR: HAL_FLASH_Unloc...