STM32 MCUs Products
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noinit area configuration in icf file
Hello,I am using STM32L412RB.I want to set a part of RAM (SRAM2) as a noinit area.I want to know which part needs to be corrected.Below is the icf file currently in use. thank you/*###ICF### Section handled by ICF editor, don't touch! ****//*-Editor...
STM32H753VIT6 SPI Receive interrupt as a master with FTDI's FT4222HQ-D
I just want to connect STM32H753VIT6 with FT4222HQ-D using SPI.STM32 is a master, and FT4222 is a slave. i want to set that STM32 send a data first by polling and then receive a char data by interrupt.when i receive a data, i wanna have no buffer, ju...
Resolved! How to generate and control a PWM with registers (NO HAL) in STM32F446RE?
I am working on controlling of a stepper motor with STM32F446 and want to generate a PWM with variable frequency (trapezoidal) and stop it after some specified (n) pulses. I want to do this with register programming not HAL functions. So I want to kn...
Resolved! documentation/how-to for CN15 optional battery connector on B-U585I-IOT02A devboard
There doesn't seem to be any documentation on whether the optional battery holder CN15 can be used on the unit, nor what it's specs should be if it is populated with a battery. I need constant RTC backup from the time the unit is first configured.
Communication with external ADC by SPI
Hello I ask to help check if all right with my code, this is my first SPI...I have use ADC1247 and seems it alive and responce for me by some of data, but ADC is sending something like "I see some of load" or "I dont see nothing". This is for 4 wire ...
Stange performance comparison between STM32F427 and STM32H745
Hi everyone,I recently revamped a product with a STM32F427 with a new STM32H745. Both cards have an external RAM of 16Mbyte. In the STM32F4 the data bus is 16bit width while in the SRM32H7 the data but is 32bit width. Both cards are set to go to the ...
Resolved! RM0316 (i.e. 'F303) - 'F302 relics
In the ancient times, RM0316 used to contain also 'F302, but that changed long ago. Yet some relics remained, causing confusion: and a couple of more, related to these two, easily found by textual search.JW
