Switching the execution from External Flash to Internal ROM

Hi, How to switch the execution of the application code from external flash to internal ROM in STM32H7xx microcontroller?
Code Execution From External Flash will take More cycles....?

Dear all, The code execution from external flash will take more Machine Instruction cycles than internal execution in controller architecture...? Can any one elaborate this with more details...
Switching the execution from External Flash to Internal ROM

Hi, How to switch the execution of the application code from external flash to internal ROM in STM32H7xx microcontroller?
Code Execution From External Flash will take More cycles....?

Dear all, The code execution from external flash will take more Machine Instruction cycles than internal execution in controller architecture...? Can any one elaborate this with more details...
STM32F3 and external SPI Flash, how programing?

STM32F3 and external SPI Flash, how programing? I would like to use External SPI flash memory as storage for pictures on LCD. Looking for a way to fill the external Flash content when programming...