STM32 MCUs Products
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Resolved! STM32H7 PSSI discrepancy between Datasheet and ref.manual
Hi,Ref.manual (RM0477 Rev 8) in chapter 32.3.3 PSSI clock saysIn case when PSSI transmitting data, then RDY pin is input.Datasheet (DS14360 Rev 2) shows setup and hold time of RDY pin (input) referenced to rising edge as well as data pins (outputs).I...
Resolved! STM32H745i Disco Deadlock when Clock Frequency is 480MHz
I tried flashing a project created for the STM32H745I-DISCO board in CubeMx. I configured clock speed for the M7 core to 480MHz and the M4 core speed to 240MHz. After flashing, if i disconnect the board, the deadlock occurs. Then i have to pull up th...
Resolved! USBX CDC for the stm32u5 in standalone (no RTOS) problem
Hello,I implemented a virtual com port using the usbx stack for the stm32U575 in standalone mode and it basicaly works.My problem is that I just can't put more than 8 bytes in the TX buffer at the time. If I do the program gets stuck (in the main loo...
Resolved! STM32 Peripheral lock (STM32h755)
I am working on an application where I plan to relocate all non-safety modules to the CM4 core. To achieve full safety, I need a mechanism to lock the peripherals so that the CM4 core cannot access any peripherals configured in the CM7 core, includi...
assembly code analysis
Can anyone comment on the prologue and epilogue of following CM7 code, particularly the content of r7 when the routine returns? { 0: b480 push {r7} 2: af00 add r7, sp, #0 if ((ANADIG_MISC->MISC_DIFPROG & ANADIG_MISC_MISC_DIFPRO...
Observing a data shift in SPI receiption
Hi Team,I am observing a shift in a data each time i am sending same data from ESP8266 master to STM32f103RCT6 slave controller but each time i am getting different data and seems to be the shifted data as i can see some part of strings sent. I have ...
Resolved! writing flash memory failure
Hi everyoneI'm using a STM32F401RCT6 to control a valve actuatorThere is a counter of number of cycles for the actuator (RunTime), and when its value changes, the value of that counter must be stored in the memory for tracking and support.The actuato...
Resolved! Troubleshooting bricked Discovery STM32H745I board
I tried flashing a project created for the STM32H745I-DISCO board in CubeMx. The only change I made was disable a few unused peripherals, enable memory caching. I set the clock speed for the M7 core to 480MHz and the M4 core speed to 240MHz. I add...
Resolved! Timer 1 Retriggerable One-Pulse Mode
Hi, I want to do something extremely basic. Trigger a pulse using software for Timer 1 which is configured in Retriggerable One-Pulse Mode. Background: I can do the above if the Timer 1 is in normal One-Pulse mode. By simply Writing the CEN bit in TI...
