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How to use OSPI with STM32L4R9 on custom board?

Hello,As mentioned in Errata sheet of STM32L4xxx, the auto polling mode is not functional. This mode allows an automatic polling fully managed by hardware on the memory status register. The workout in the Errata sheet is to use memory-mapped mode, bu...

Hzhan.2 by Associate II
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Resolved! STM32 with SDRAM: How to connect unused DQMs?

Posted on February 12, 2018 at 19:29I'm about to use a STM32F7 MCU with some x16 SDRAM. Since I don't use byte or unaligned accesses, I disabled the NBL pins, which should otherwise be connected to DQMH/L at the SDRAM.But if I don't use those signal...

Resolved! Reference Manual no TXE in SPIx_CR2 Register?

HiIn your Reference Manual for the STM32F469 at 31.3.11 it says:A DMA access is requested when the TXE or RXNE enable bit in the SPIx_CR2 register is set.But the SPIx_CR2 Register does not have a TXE/RXNE bit, it has a TXEIE/RXNEIE bit which just en-...

PGroe.2 by Associate III
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How to generate interrupt of exact 1us in STM32F746ZG?

I have created a simple project, where I need to get the interrupt at exactly 1us.Please find attached an image of the clock configurations that were created in STM32Cub3MX.I am using TIM3 which is associated with APB1, so the MAX frequency for this ...

0693W000006H8xOQAS.jpg
GPati.3 by Associate II
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64-bit timer in STM32L4S5ZI

Hi,I am using STM32L4S5ZI which has only a timer with maximum capacity of 32-bit. The DWT(Data Watchpoint Trigger) is somehow not available because when I check for DWT->CNT it always shows 0. So I needed a 64-bit timer for my application which keeps...

SJant.1 by Associate III
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