A68064 Datasheet ~repack~ Info
The datasheet does not specify a hard limit but logic timings suggest 200 kHz is feasible. Practical limits depend on supply voltage and motor inductance.
The A68064 is a 32-bit microprocessor that was released in the late 1980s. It is a member of the Motorola 68000 family of processors, but with some significant enhancements. The A68064 was designed to provide high performance, efficient memory access, and a rich set of features for demanding applications. a68064 datasheet