Datasheet

Figure 16. Half-Step, Bi-directional Drive Logic
Figure 14. Phase and Current-Inhibit Signal for Half-Stepping (8 Step Sequence)
Figure 15. Full Step, Bi-directional Two Phase Drive Logic
UC3717A
UNITRODE CORPORATION
7 CONTINENTAL BLVD.
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Figure 13. Phase Input Signal for Two Phase Full Step Drive (4 Step Sequence)
8