z Single-chip stepping motor controller/driver z All inputs are TTL level. z The CK1, CK2, CW/CCW and RESET pins are Schmitt trigger inputs. z Rotation direction cont.

TB6615PG PIN No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SYMBOL CW/CCW EA EB 3/4 MO φ1 φ2 GND φ3 φ4 E CK−OUT CK1 CK2 R VCC PIN NAME Clockwise/Counterclockwise Excitation A Excitation B 3 Phases/4 Phases Monitor Out φ 1 Out φ 2 Out GND φ 3 Out φ 4 .

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