Using External RAM with stm32h743vit6

[prsh]

Hello, can we expand or use external RAM with stm32h743vit6? Could anyone guide me for the same?

[TDK]

Sure, the FMC peripheral will interface with external memories such as SDRAM.

The STM32H743I-EVAL board as onboard SDRAM. You could use those schematics to see how it's wired, or use CubeMX.

[Imen.D · Accepted solution]

Hello @prsh​ ,

You can use external RAM: FMC-SDRAM, as mentioned in the AN5188, in the Table 4. Peripherals required by memory type.

Check with CubeMx configuration:

 

You have these application notes that provide more details regarding external memory:

• AN4891 Application note STM32H72x, STM32H73x, and single-core STM32H74x/75x system architecture and performance
• AN5188 External memory code execution on STM32F7x0 Value line, STM32H750 Value line, STM32H7B0 Value line and STM32H730 Value line MCUs.

Imen

[Imen.D]

When your question is answered, please close this topic by marking Select as Best.