> On a microcontroller RAM is only used to hold program variables. The program itself is stored in Flash memory. That needs a huge asterix. You are using a big

> On a microcontroller RAM is only used to hold program variables. The program itself is stored in Flash memory. That needs a huge asterix. You are using a big generalization with a lot of examples to the contrary. Look up why the Infineon XMC1x00 ARM processors has so much ram. Probably the 4x00 too.