Jumper Reference Of Bldc Drive Board - Motorola M68HC08 Manual

Low power bldc drive for fans using the mc68hc908qy4 reference design

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WARNING:

Figure 9-2. Jumper Reference of BLDC Drive Board

DRM046 — Rev 0

MOTOROLA

Freescale Semiconductor, Inc.

•

R42 populated with zero ohms resistor for +5Vdc on J5/1

Please note that only one resistor can be accommodated according to

the desired voltage; the other must be disconnected. If both resistors are

populated, a short circuit might destroy the board.

R42 = 0 ohms

R41 not populated

Table 9-1. BLDC Drive Board Jumper Settings

Jumper

Run/Stop Switch selected

Speed Pot selected

R42

+5Vdc selected for Hall sensor connector J1 pin 5

Appendix B — System Set-up

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Appendix B — System Set-up

Jumper Settings for Controller Board

Comment

Designer Reference Manual

Connections

Switch - PA5

Pot - PA4

zero ohms

resistor

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