STM32 MCUs Products

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why receiving shifted data in SPI communication

Hi all,​I want to make communicate two nucleo l432kc (slaves) with a raspberry pi (master) through the SPI protocol. On the raspberry I'm using the spidev API, while on the nucleo I'm using the HAL SPI interface with DMA. ​The only configuration that...

NMurr.2 by Associate II
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STM32L431V LQFP100 problem with SPI2 - MISO

STM32L431V LQFP100SN : 54FF6B067266535348440967Firmware : V2J27S6I use the periphery SPI2 ( CLK enabled ), the periphery is connected PIN: PD_1 (CLK) - config is AF_5, LowSpeed, MODE_AF_PP, NOPULLPD_4 (MOSI) - config is AF_5, LowSpeed, MODE_AF_PP...

MMa�� by Associate II
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  • 7 replies
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USART HAL Tx Mirror on Rx

Hi!I have a hardware setup with an RS485 in which all Tx Data is mirrored to Rx (no delay).This simple example should echo all incoming chars coming from Rx back to TxIf i do not use the delay in the callback before flushing DR the hardware mirrored ...

WalterE by Associate II
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STM32F429-Disco sdram use

Hi,I want to use the sdram as extention of the RAM of the STM32F429 Disco board. What do I have to do to use the Sdram?Is it correct that it has to be initilized and then set in the linker file?->Is this the correct procedure to Initilize the sdram? ...

STM32F205 revision V has some weak GPIO port from ESD.

I use STM32F205ZGT6 for our product.  In our design, PH10 and PH11 is connected external module. When external connected, the port get physical damage in only revision V. I checked that the other revision such as 1 , 2 and 3 don't have same issue.I s...

CLee.5.54 by Associate II
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Timer cross-influence on STM32F302VCT6

Hello,We have noticed an issue with the master-slave mode in the timers on STM32F302VCT6.We use TIM1 to generate PWM signals, and TIM15 for triggering an ADC. The issue is that there is cross-influence from TIM15 to TIM1. (Can be seen on the attached...

ABati by Associate II
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how to find I2C address for MX_I2C1_Init()

I am using nucleo L476RG with ​DS2482-100, also 1-wire DS28EC20 is connected with DS2482-100.  First I created the project with CubeMX, then  MX_I2C1_Init() My first question is: how to find the I2C address, which I need to fill hi2c1.Init.OwnAddress...

adam.wu by Associate II
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