OBSOLETE PRODUCT

TMC428 is obsolete and not recommended for new designs.

* Controls up to three 2-phase stepper motors

* Serial 4-wire interface for µC with easy-to-use protocol

* Configurable interface for SPITM motor drivers

* Different types of SPITM stepper motor driver chips may be mixed within a single daisy chain

* Communication on demand minimizes traffic to the SPITM stepper motor driver chain

* Programmable SPITM data rates up to 1 Mbit/s

* Wide range for clock frequency – can use CPU clock up to 16 MHz

* Internal 24 bit wide position counters

* Full step frequencies up to 20 kHz

* Read-out facility for actual motion parameters (position, velocity, acceleration) and driver status