Motorola M68HC08 Reference Manual page 127

DRM028 — Rev 0
MOTOROLA
Freescale Semiconductor, Inc.
frequency or to the current regulator sampling period as explained in the
section 6.5.7 PWM Frequency and Current Sampling Period
If there's still a problem running the motor, check if the motor is suitable
for sensorless control with back-EMF zero crossing (see Figure 6-9.) as
described in the section
application suitability.
User Guide
For More Information On This Product,
Go to: www.freescale.com
6.2.4 Motor Suitability. Then, again check the
User Guide
Tuning for Customer Motor
Setting.
Designer Reference Manual
127