Number of motor revolution can be controlled by the frequency of external clock input.
4 types of modes, i. e. , 2, 2-3, W2-3 and 2W2-3-phase excitations, are available which can be selected based on rising
of clock signals, by switching Highs and Lows of Mode A and Mode B terminals.
Setting a Mode C terminal Low allows an excitation mode that is based on rising and falling of a clock signal. By setting the Mode C terminal Low, phases that are set only by Mode A and M.
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