About CObri.1

CObri.1 · 2023-09-27

Hi there,We use a STM32F723 controller and want to connect two external RAM devices.Now we have to select a RAM that fits to the FMC. What we can't find in the reference manual RM0431 is, if SDRAM-DDR functionality is provided or only SDRAM without D...

CObri.1 · 2023-09-25

Hi,We have a question about a system design we would like to implement for our product.We are working with the STMF32F723 MCU and are developing our own HW. We need 216MByte of RAM for our application and would like to implement it with the functiona...

CObri.1 · 2023-06-08

Hello,Im using STM32F723 and using the Cryptographic Library (https://wiki.stmicroelectronics.cn/stm32mcu/wiki/Security:Getting_started_with_the_Cryptographic_Library).When testing basic cmox_aead_encrypt and cmox_aead_decrypt example it works fine.B...

CObri.1 · 2023-05-15

Hello,I'm currently working on a project using the STM32F723 Discovery kit and USB as a Virtual Com Port (VCP) in CDC mode. I'm encountering an issue related to DMA and USB_OTG_HS when using the CubeMX configuration with the "Enable internal IP DMA" ...

CObri.1 · 2023-10-17

Hi @LCE ,Yes we still use the STMF32F723 controller.So the two RAM Chips can be accessed (written/readout) over the FMC bus?Best regardsCorsin

CObri.1 · 2023-10-17

Dear @Alex - APMemory & @F.Belaid Thank you immensely for your assistance. Due to your help, we've been able to modify our requirements to a maximum RAM of 72 MBytes.The revised architecture is as follows:As a controller we still stick to the STMF32...

CObri.1 · 2023-09-26

Hello @F.Belaid;,Thanks for your answer, but it's still not clear for me. What I see is that only two SDRAM device are possible (Bank 4 one and Bank 5 one).But with the PSRAM it should be not? In RM0431, on page 274 it is written following:From the F...

CObri.1 · 2023-09-26

Hello @F.Belaid;,Thanks for your answer, but it's still not clear for me. What I see is that only two SDRAM device are possible (Bank 4 one and Bank 5 one).But with the PSRAM it should be not? In RM0431, on page 274 it is written following:From the F...

CObri.1 · 2023-05-23

Hi @mohamed.ayed , Ok, yes I did that.So the problem has to do with the FiFO Buffer you mentionedabove.Have you tried a simple example with your setup?Best regards,Corsin

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STM32F723 FMC SDRAM

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Re: M7 with 4xRAM ICs over FMC

Re: M7 with 4xRAM ICs over FMC

Re: M7 with 4xRAM ICs over FMC

Re: M7 with 4xRAM ICs over FMC

Re: STM32F723 Problem USB with DMA in VCP Mode