UPD784938 Datasheet, PDF (587/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 23 INTERRUPT FUNCTIONS
Figure 23-33. Single-Phase Excitation of 4-Phase Stepping Motor
123 41 23
Phase A
Phase B
Phase C
Phase D
1 cycle
(4 patterns)
Figure 23-34. 1-2-Phase Excitation of 4-Phase Stepping Motor
Phase A
8 1 2 34 5 6 78 1 23 45
Phase B
Phase C
Phase D
1 cycle
(8 patterns)
Preliminary User’s Manual U13987EJ1V0UM00
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