MCU: BusyBee2 (EFM8BB21F16) at 48MHz. BB1 MCU can support up to 350k eRPM(Ref.F330 around 200K), BB2 is set to 500k eRPM(F39x around 360K)
Hardware PWM 36KHZ refresh, more smooth throttle response and silent operation.
Damped light/synchronous rectification/ active freewheeling
Supports regular 1-2ms input signal, as well as Oneshot125 (125-250us), Oneshot42(41.7-83.3us) and Multishot (5-25us). Auto-detected when the ESC sees an input signal.
Sync loss protection feature, it will have the same good sync holding properties as base BLHeli.