Motorola M68HC08 Manual page 5

Low power bldc drive for fans using the mc68hc908qy4 reference design

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Table of Contents

Designer Reference Manual — DRM046

DRM046 — Rev 0

MOTOROLA

Freescale Semiconductor, Inc.

Section 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Section 2. MC68HC908QY Family Advantages and

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Section 3. BLDC Motor Theory . . . . . . . . . . . . . . . . . . . . 17

Section 4. 3-Phase BLDC Low Voltage Reference

Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Section 5. Hardware Design. . . . . . . . . . . . . . . . . . . . . . . 31

Section 6. Software Design . . . . . . . . . . . . . . . . . . . . . . . 45

Section 7. References. . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Section 8. Appendix A — Schematics and Parts List . . 63

Section 9. Appendix B — System Set-up . . . . . . . . . . . . 71

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List of Sections

Designer Reference Manual

Table of Contents