I’ve removed a motor from a 5.25" floppy drive. It has three wires input (might be an ac 3-? stepper motor / spindle motor). It uses an obsolete M51784P motor drive, whose data sheets were nowhere found. The motor turns a step when i randomly give a 12v DC power to two of the three wires.
All I want to do is to turn the motor in either clock wise or anti-clock wise. How can I predict the correct order or sequence of supplying power to those three wires ?
If it is a 3-? AC motor, how can i create the a 12v ac power ?
I’ve attached the images of the motor, driver IC and the internal windings for reference.