3.22EjemploDRM007 Co..

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Table of Contents 5.9.9 Signed Word 16 PIController(void). . . . . . . . . . . . . . . . . . . .92 5.9.10 MotorStalledProtection(void) . . . . . . . . . . . . . . . . . . . . . . . .92 5.9.11 HALLA_ISR(void) and HALLB_ISR(void). . . . . . . . . . . . . . .92 5.9.12 HALLC_ISR(void). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92 5.9.13 Fault1_ISR(void) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92 5.9.14 NextSequence(void). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92 5.9.15 InitLCD(void) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 5.9.16 CtrlLCD(Byte ctrl) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 5.9.17 Ctrl8LCD(Byte ctrl) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 5.9.18 MovCursorLCD(Byte places, Byte dir) . . . . . . . . . . . . . . . . .93 5.9.19 DataLCD(Byte data) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94 5.9.20 StringLCD(Byte *msgLCD). . . . . . . . . . . . . . . . . . . . . . . . . .94 5.9.21 WaitMs(Byte milis) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94 5.9.22 Wait40ms(void) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94 5.10 MCU Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 Section 6. Practical Results Section 7. Source Code 7.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103 7.2 Include Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 7.2.1 MR8IO.H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 7.2.2 START08.H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108 7.2.3 MAIN.H. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110 7.2.4 TIMER.H. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111 7.2.5 LCD.H. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113 7.2.6 TABLES.H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115 7.3 Source Code Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116 7.3.1 START08.C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116 7.3.2 MAIN.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122 7.3.3 TIMER.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127 7.3.4 LCD.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145 DRM007 BLDC Motor Control Board for Industrial and Appliance Applications 10 Table of Contents MOTOROLA
Designer Reference Manual — BLDC Motor Control Board List of Figures Figure Title Page 1-1 MC68HC908MR8 Block Diagram. . . . . . . . . . . . . . . . . . . . . . .18 1-2 PWMMC Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . .22 1-3 BLDC Motor – Cross Section . . . . . . . . . . . . . . . . . . . . . . . . . .25 1-4 BLDC Motor Commutation Signals. . . . . . . . . . . . . . . . . . . . . .27 1-5 BLDC Motor Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 1-6 System Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 1-7 Monitor Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 1-8 Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36 3-1 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 3-2 MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45 3-3 Gate Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 3-4 3-Phase H-Bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47 3-5 Current and Voltage Sense . . . . . . . . . . . . . . . . . . . . . . . . . . .48 4-1 V_BUS Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 4-2 15 Vdc and 5 Vdc Power Supplies . . . . . . . . . . . . . . . . . . . . . .57 4-3 RS-232 and MON08 Interfaces . . . . . . . . . . . . . . . . . . . . . . . .58 4-4 Clock Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59 4-5 Hall-Effect Sensors Interface . . . . . . . . . . . . . . . . . . . . . . . . . .60 4-6 LCD Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61 4-7 Reset Button. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62 4-8 External Reset Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62 4-9 Phase C Output and Gate Driver . . . . . . . . . . . . . . . . . . . . . . .63 4-10 Current Differential Amplifier. . . . . . . . . . . . . . . . . . . . . . . . . . .65 4-11 Current Peak Detector for Current Sensing . . . . . . . . . . . . . . .65 4-12 Cycle-by-Cycle Current Limiter. . . . . . . . . . . . . . . . . . . . . . . . .66 4-13 Voltage Feedback and Fault Detector . . . . . . . . . . . . . . . . . . .67 4-14 Current and Voltage Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . .68 BLDC Motor Control Board for Industrial and Appliance Applications DRM007 MOTOROLA List of Figures 11
Page 1: BLDC Motor Control Board for Indust
Page 4 and 5: Revision History To provide the mos
Page 6 and 7: List of Sections DRM007 BLDC Motor
Page 8 and 9: Table of Contents Section 2. Operat
Page 12 and 13: List of Figures Figure Title Page 5
Page 14 and 15: List of Tables DRM007 BLDC Motor Co
Page 16 and 17: Introduction and Setup 1.2 Introduc
Page 18 and 19: Introduction and Setup M68HC08 CPU
Page 20 and 21: Introduction and Setup • Low-powe
Page 22 and 23: Introduction and Setup OR PRESCALER
Page 24 and 25: Introduction and Setup 1.4.3 PWM Co
Page 26 and 27: Introduction and Setup Brushless dc
Page 28 and 29: Introduction and Setup V BUS PWM1 P
Page 30 and 31: Introduction and Setup 1.6.6 Target
Page 32 and 33: Introduction and Setup The Hall sen
Page 34 and 35: Introduction and Setup To program t
Page 36 and 37: Introduction and Setup HALL EFFECT
Page 38 and 39: Operational Description 2.3 Electri
Page 40 and 41: Operational Description By pressing
Page 42 and 43: Operational Description 2.5.5 J5
Page 44 and 45: 44 Schematics and Bill of Materials
Page 50 and 51: Schematics and Bill of Materials 6
Page 52 and 53: Schematics and Bill of Materials 4
Page 54 and 55: Schematics and Bill of Materials DR
Page 56 and 57: Hardware Design Considerations 4.2
Page 58 and 59: Hardware Design Considerations 4.4
Page 60 and 61:
Hardware Design Considerations 4.6
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Hardware Design Considerations VCC
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Hardware Design Considerations As a
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Hardware Design Considerations This
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Hardware Design Considerations 4.12
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Hardware Design Considerations DRM0
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Software Design Considerations 5.9.
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Software Design Considerations Clos
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Software Design Considerations The
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Software Design Considerations TIMA
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Software Design Considerations 5.5
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Software Design Considerations the
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Software Design Considerations 5.8
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Software Design Considerations inte
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Software Design Considerations DRM0
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Practical Results Figure 6-2 shows
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Practical Results Taking the rectif
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Practical Results DRM007 BLDC Motor
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Source Code 7.2 Include Files 7.2.1
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Source Code #define SCS1 (*(volatil
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Source Code 7.2.2 START08.H ; /****
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Source Code #pragma DATA_SEG DEFAUL
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Source Code // Function Headers voi
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Source Code void CtrlLCD(UBYTE cont
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Source Code 7.3 Source Code Files 7
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Source Code ZeroOut: ; LDA _startup
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Source Code Loop1: finished: } } DB
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Source Code 7.3.2 MAIN.C ; /*******
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Source Code EnableInterrupts(); do
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Source Code } else { if((PORTB & OP
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Source Code #include "MR8IO.h" #inc
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Source Code #endif /* Initialize ti
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Source Code LDX #0x12 DIV LDHX #0x0
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Source Code */ SINT16 PIController
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Source Code /**********************
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Source Code { #ifdef MOS_3_COM PVAL
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Source Code #ifdef MOS_2_COM PVAL1
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Source Code PVAL3 = _newPWM; PVAL4
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Source Code TurnOffAllPWMOutputs();
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Source Code /**********************
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Source Code void MovCursorLCD(UBYTE
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Source Code /**********************
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3.22EjemploDRM007 Co..

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