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Problem with I2S TX / RX Circular DMA on STM32H743ZI2 board

I have a problem with DMA on this board that was not present on an F407 using code generated by Cube.I2S2 has been configured as master half duplex and IS23 as slave half duplex (fed clock and WS of I2S2). The plan was to have a MEMS microphone on th...

JOatl by Associate II
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  • 15 replies
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ST32H750VB LQFP100 Package for X16 SDRAM usage

Hi,We were planning to use ST32H750VB (LQFP100 Package) in our design. The critical interface in our design will be SDRAM ( planning x16 bit).But while checking pin-multiplexing details for LQFP100 package, we observed that the D[0-15] and A[0-15] ar...

MBair.1 by Associate II
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  • 2 replies
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Resolved! Lowpower Modes STM32L4 and RTC

Hey there.. iam currently working with a L432KC on a custom made PCB.My programm reads a sensor value (I2C) and sends it so another device via SPI.This operation is performed every minute.iam using the HAL_Delay(60000) command to wait fot the next mi...

MSimo.1 by Associate II
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  • 10 replies
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STM32F103RB Reset IC neccessary?

I had an issue with a STM32F103RB connected to a poor Power Supply with slow Ramp-Up.In this case, the CAN Peripheral was not correctly initialized. After adding an external Voltage supervisor the Issue dissapeared. My question: is it also possible t...

Hi, I am working on Nucleo -L073RZ board for IAP ymodem , referred the IAP example provided by stm for stm32L073 eval board and created the same for the nucleo board and tested .I have ported all the files and it compiled with zero errors .

The nucleo ported project doesn't work , i cant understand what could be the issue . I keep getting verification failed error , HAL_TIMEOUT .The download timeout is 10000U ,changes made to it (50 seconds) how does this impact the code, will it wai...

svii by Associate III
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  • 3 replies
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HAL CDC Transmit dropping and duplicating data

I have an issue where CDC transmission from an STM32L4 is dropping or duplicating data.Here is a simple test case that runs from main.c extern USBD_HandleTypeDef hUsbDeviceFS; static uint8_t UserTxBufferFS[100];   void TestSerial() { // connect ...

0693W000003QHH3QAO.png

External Interrupt triggers instantly

Hello, I am using a Nucleo-f401re Board and unfortunately I have serious troubles with External Interrupts. I have two inductive sensors which are supplied by 24V. These sensors shall trigger an external Interrupt when the controller detects a rising...

JBoli.1 by Associate
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  • 2 replies
  • 0 kudos