Forum Posts
STM32 RTC Backup registers are limited to 5 on STM32L151RBT6A device
We are using STM32L151RBT6A device. As per the specification we should be able to have access to 80bytes of RTC backup memory , but we are able to access only 20bytes of Backup registers memory. As per RTC backup registers description , for value li...
How to configure the NSS with software
I have the problem that I don't get the NSS configured correctly on my SPI transmission. I should get according to reference Manuel a NSS signal that switches just before the first bit and just after the last bit. I send several different data one af...
Is there any one who have official documents for STM32L072CBT6 Revision 1 and Revison P released for end-customer use?
We received a batch of MCUs, STM32L072CBT6, LQFP48, on suffix of marking section has marked revision “1�?, marking on MCU are also marked with “1�?.As per STM Errata sheet, there are different markings such as 1, P, Q, Z.But I can only find related i...
I want to get the trigger for every 8th pulse in the timers?
I am using the stm32h745ziq-nucleo board . I am generating the pulse in the cm7 and I am trying ton capture the falling edge of the pulse. I am getting the falling edge capture for every falling pulse But I want to capture only the 8th falling edge o...
Resolved! Executing code from RAM problems
I'm developing application on stm32H7 and a need to execute small function from RAM. I add RamFunc derective, and describe in linker *(.RamFunc) in .data section. As a result, i certainly see, that function code moved to RAM address space. I compare ...
Howto implement I2C slave clock stretch timeout.
Hi,I like to implement a I2C slave on a STM32G081 with using stm32cubeide.Basically, it is working.Sometimes, the system communication stuck while a transaction on the STM32 I2C slave is active.How can I implement a clock stretch timeout on slave sid...
Resolved! HAL_I2C_SlaveTxCpltCallback() is called despite not all bytes are sent?
Hi,I´m using an stm32f401 and observing suspicious behaviour on the I2C slave.My issue is that I get transmit completed callback after master has read 1 byte, but I have called HAL_I2C_Slave_Seq_Transmit_IT to send 2 bytes.I´m trying to send 2 bytes ...
[How to use the forum] Users are not sure where to ask about difficulty of use. The forum homepage is confusing.
See what new users are writing:What are the differences in I2C configuration between these two processors?How do I set the embedded ST-LINK on the discovery board to DFU mode?is there a similar way to use USB transfer without blocking the main loop?h...
May I know the production schedule of STM32F469NIH6?
May I know the production schedule of STM32F469NIH6?It is impossible to develop using STM32F469NIH6 due to an unbelievable price increase in the market. If you let me know the production schedule, it will help me adjust the schedule.
