STM32 MCUs Products

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new STM32H7B3 and SRAM quantities

Hello,I have a doubt about the amount of SRAM available on the STM32H7B3.In the datasheet it is indicated 1184kB (setion embedded SRAM), but the linker script indicates 1024kB.In the datasheet, there is not much detail on this.My goal is to use for a...

PCu1 by Senior
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STM32 L031K6 Multi channel ADC

Hello. I am looking a way to read values from multiple channels of ADC module of a L031K6 MCU. Following an example in youtube I tried to use interrupt method. In the video he uses a F051R8Tx MCU. I develop code in STM32CubeIDE and tried the same ADC...

JEsla.1 by Associate
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STM32 SPI problem (MOSI doesn´t work) for SPI 3 and 4

Greetings,I am dealing with a STM32H743ZI MCU and many of its embedded peripherals, the board is a NUCLEO H743ZI2I encounter a strange behaviour regarding SPI configuration, for SPI 1 the MOSI pinout works as expected, but for SPI 3 and SPI 4 the MOS...

mst0mst by Associate II
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STM32H743 Nucleo Board ADC-DMA and UART-DMA receive problem?

I am using STM32H743 nucleo board for the purposes mentioned below. I create the project using Cubemx version 5.3.0 and STM firmware is 1.6.0* Creating TTL Output signals* Reading TTL Input Signals*UART-DMA Receive&Transmit*PWM (100us PW, 1ms Period)...

rudy by Associate
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Resolved! Is there a known STM32F091 leap year RTC problem?

If I set the RTC (on a STM32F091) to Feb 28th 11pm, I can see that the RTC is correctly set. I can watch the RTC increase each second. However, when Feb 29th, 12:00 am is reached, the calendar date is changed to March 1, 2020; it skips Feb 29th. T...

LClem.1 by Associate II
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Resolved! ns timing of sequence of external events

Hello - I am looking for a solution that can time a sequence of external events (combination of rising and falling edges). The events can occur as close as every ~10ns. The max number of events in the sequence is of the order of 100. After this there...

NWark.1 by Associate II
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