[monocasa]

Maybe they're saying that the other low power mode would slurp all of sram into flash?

But that still doesn't make sense, SRAM lasts for years on a battery of you're not clocking it, and every little uC I know of that vaguely cares about power lets you do that. Why call it out. Hell, NES games keep their SRAM saves going for decades off a little coin cell.