STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Configuring OSPI in QSPI with Memory Mapped

I am trying to setup my STM32H725 to use serial RAM in memory mapped mode. The memory I am using is:IS66WVS4M8ALL RAM DatasheetI have used IOC to setup the OCTOSPI1 as a QSPI peripheral and mapped CS IO0/1/2/3 CLK from the uC to the RAM.I have tried ...

SPI read/write time calculation

Hello everyone.I'm interfacing my STM32F745IET6 (master) with an SPI device.I'm using SPI1 interface running at 50 MHz, I was wondering if there's some "rule of thumb" to calculate time needed (in terms of clock cycles) to write n bits over the bus. ...

SPI with Registers: Issue in Data transferring

Hello,I want to transfer data between NVIDIA Jetson Nano (Master) and STM32 (Slave) using SPI. On the master side, I am using spidev python library. On the slave side, I am coding using registers (without using HAL).I want to send and receive data co...

SPI slave transmit receive trouble

Hello,I am working with a STM32F446ZET6 and using it as an SPI slave.I use the function HAL_SPI_Transmit_Receive_IT function to receive 4 bytes of data.It used to work properly in our conception, for example when the master sends 0x12, 0x34, 0x56, 0x...

Saredo by Associate III
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Double I2C Own address STM32F0

Hi all,I'm facing a problem with the implementation of a double Own address on a STM32F030K6T6 uC. the project is already working but with only 1 Own address on OAR1 (code 42 hex), now I want to update the project to enable the reception of another c...

Configure GPIO through registers

Hi i m learning to configure GPIO using registers, and come across the following code, can anyone kindly help to advise the following? what does the whole sentence do? what does the (volatile....) means, what does GPIO_OUT_DATA(0) does and what does ...

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