how to disable external flash programming in KEIL?

[davaba]

how can say to keil that ignore programming the external flash memory?

This image is the address of SDRAM in scatter file.

[Tesla DeLorean]

Presumably it has content, so NOINIT might be in appropriate

You could create a debug script (.INI) to bring up the SDRAM

You could disable the flash algorithm associated with the 0xD0000000 region.