December 7, 2025

Rockchip RK3399 - those M0 cores

The observant reader may have noticed mention of two M0 cores that are included in the RK3399 alongside those 6 ARMv8 cores.

I haven't dug deep into this, but these are apparently used for super low power consumption activities and DDR ram fiddling. The latter is the kind of thing that causes you to pull the rug out from under your own feet when done by one of the big cores.

It is not clear (to me, yet) if it is even possible to get your own code to run in these cores.
Have any comments? Questions? Drop me a line!

Tom's electronics pages / tom@mmto.org