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David123 · 2024-11-28

Symptom: STM32H7S78-DK board includes a 32MB PSRAM (APS256XXN-OBR-BG() connected to HEXASPI. Somehow only the first 4MB is accessable. How to reproduce the error: Use the template project provided in "STM32Cube_FW_H7RS_V1.1.0\Projects\STM32H7S78-DK...

David123 · 2024-12-03

Hi Kaouthar,Thank you, I really appreciate your efforts.Best regards,David

David123 · 2024-12-02

Hi Kaouthar,Thank you for your message and for reporting the issue internally.You are correct the linker file path I referred to should indeed be:STM32Cube_FW_H7RS_V1.1.0\Projects\STM32H7S78-DK\Templates\Template_XIP\STM32CubeIDE\Appli\STM32H7S7L8HXH...

David123 · 2024-11-29

The problem is solved.Two issues were identified and resolved to fix the external memory error.1. The App's linker file STM32H7S7L8HXH_ROMxspi1_RAMxspi2.ld (located in: STM32Cube_FW_H7RS_V1.1.0\Projects\STM32H7S78-DK\Templates\Template_XIP\STM32CubeI...

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STM32H7S78-DK External OSPI 32MB RAM is only accessable from 0x90000000 to 0x90400000, 4MB.

Re: STM32H7S78-DK External OSPI 32MB RAM is only accessable from 0x90000000 to 0x90400000, 4MB.

Re: STM32H7S78-DK External OSPI 32MB RAM is only accessable from 0x90000000 to 0x90400000, 4MB.

Re: STM32H7S78-DK External OSPI 32MB RAM is only accessable from 0x90000000 to 0x90400000, 4MB.