Table Of Contents - Motorola M68HC08 Manual

Designer Reference Manual - DRM046
DRM046 - Rev 0
MOTOROLA
Freescale Semiconductor, Inc.
Section 1. Introduction
Section 2. MC68HC908QY Family Advantages and
Section 3. BLDC Motor Theory
3.1 Digital Control of a BLDC Motor . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2 Independent Switching of Power Transistors . . . . . . . . . . . . . . 19
3.3 Complementary Switching of Power Transistors . . . . . . . . . . . 20
3.4 Commutation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Section 4. 3-Phase BLDC Low Voltage Reference Design
4.1 Application Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.2 Application Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Section 5. Hardware Design
5.1 Pin-by-Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.2 Detailed Design Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Section 6. Software Design
6.1 Data Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
6.2 Software Implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
6.3 Application Porting for the Customer Specific BLDC Motor . . . 52
6.4 Software Listing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

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