Motorola M68HC08 - Manual (Page 90)

Software Design
Designer Reference Manual DRM028 — Rev 0
90 Software Design MOTOROLA
Figure 5-7. Application State Transitions
RESET
STAND-BY STATE
RUNNING STATE
STOP STATE
PWM DISABLED
OVER VOLTAGE
(Stop_F = 0)
(Stop_F = 1)
PWM DISABLED
ALIGN STATE
PWM ENABLED
BACK-EMF ACQUISITION STATE
COMMUTATION + PWM ENABLED
ALIGN TIMEOUT EXPIRED
OVER CURRENT
COMMUTATION IS LOCKED
WITH BACK-EMF FEEDBACK
APPLICATION
INITIALIZE
DONE
IRRECOVERABLE
COMMUTATION
ERROR
COMMUTATION + PWM ENABLED
MOTOR STOP IS REQUIRED
MCU
INITIALIZE
RUN CONDITION
(START SWITCH IS ON
AND PCMode = 0
OR PCMode AND StartCtrl
AND SWITCH IS ON)
FAULT
STATE
PWM
DISABLED
CLEAR FAILURE
(START SWITCH SET OFF
OR PCMode AND CLEAR FAIL)
(FAILURE = 0)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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