Stm32H747I-Disco Schematic Descripency in SDRAM connections: board schematic vs TouchGFX

[EmbeddedIOENG]

In official schematic MB1248 Rev-04 on SDRAM page:

SDNE Connected to MCU pin PH6,

SDNWE to PH5,

SDCKE to PH7,

When I create prject using TouchGFX template and open .ioc file in CubeMX or open SDRAM driver in CubeIDE the pins are connected as follows:

SDNE to PB6

SDNWE to PC0

SDCKE to PB5

My question is which is correct: Schematic or Code/.ioc file?

 

[Osman SOYKURT]

Hello ​@EmbeddedIOENG ,

I would trust the official schematic with 

• SDNE to pin PH6
• SDNWE to PH5
• SDCKE to PH7

I will check with our TouchGFX project example and confirm you that as soon as possible.

[Osman SOYKURT]

I confirm this. In our TouchGFX project example it works because we have also the BSP code that activates the PH5, PH6, PH7 for FMC_SDNWE, MC_SDNE1 and FMC_SDCKE1; without it it would not work. I’ll make sure to correct the ioc file with the right pin configuration to avoid confusion.