Teensy 3.6 CPU in Thumb or ARM mode?

[ossi]

Is the CPU of the Teensy 3.6 Board running in Thumb mode or in ARM mode ?

 

[PaulStoffregen]

Thumb mode. Technically, Thumb2.

It's Cortex-M4. The Cortex-M processors are always thumb mode. They never operate in ARM mode instructions.