Description: The state machine circuit, the driving of the stepping motor, the four-phase control coils A, B, and C, and D. The motor forward four-phase control coil is energized procedure: A-AB-B-BC-C-CD-D-DA-A ..., the backward process is the A-DA-D-to-DC-C-BC-B in-AB-A ..., the input clock signal CLK and the the DIR direction of control the end control motor forward and backward.
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motor\motor.txt
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