3.22EjemploDRM007 Co..

Designer Reference Manual — BLDC Motor Control Board
List of Tables
Table Title Page
1-1 MC68HC908MR8 Peripherals and Memory . . . . . . . . . . . . . . .17
2-1 Electrical Characteristics for 127 Vac Board Version . . . . . . . .38
2-2 Electrical Characteristics for 230 Vac Board Version . . . . . . . .38
2-3 AC Jack Connector (J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
2-4 3-Phase Motor Connector (J2) . . . . . . . . . . . . . . . . . . . . . . . . .41
2-5 Single-Phase Motor 1 Connector (J3) . . . . . . . . . . . . . . . . . . .41
2-6 Temperature Sensor Connector (J4) . . . . . . . . . . . . . . . . . . . .41
2-7 Optoisolated RS-232 DB-9 Connector (J5) . . . . . . . . . . . . . . .42
2-8 External 18 Vdc Source Connector (J6) . . . . . . . . . . . . . . . . . .42
2-9 Single-Phase Motor 2 Connector (J7) . . . . . . . . . . . . . . . . . . .42
2-10 Motor Hall Effect Sensors Connector (J8) . . . . . . . . . . . . . . . .42
3-1 Bill of Materials for 127 Vac Board . . . . . . . . . . . . . . . . . . . . . .49
3-2 Bill of Material Changes for 230 Vac Board . . . . . . . . . . . . . . .53
4-1 PIN Bit Set Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
5-1 Commutation Sequence for Clockwise Rotation . . . . . . . . . . .80
5-2 Commutation Sequence for Counterclockwise Rotation . . . . .81
5-3 RAM and FLASH Memory Usage. . . . . . . . . . . . . . . . . . . . . . .95
6-1 Speed Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
BLDC Motor Control Board for Industrial and Appliance Applications
DRM007
MOTOROLA List of Tables 13