Motorola M68HC08 - Manual (Page 103)

Software Design
Implementation Notes
DRM028 — Rev 0 Designer Reference Manual
MOTOROLA Software Design 103
The failure (Failure = 0) is tested. In manual mode (PCMode = 0), the
switch in the stop position clears the failure. In PC master software
mode (PCMode = 1), the failure is cleared by ClearFail flag or the
switch in the stop position. If start condition is valid Strt_F is set,
Stop_F is cleared, and the next state entered.
See Figure 5-13 .
Figure 5-13. Fault State
5.6 Implementation Notes
5.6.1 Software Files
The software files and structure are described in section 6.4.2.1
Application HC08 Software Files .
TIMER1 (TIM A CH1) INTERRUPT
ENTER
DONE
CURRENT MEASUREMENT
ISR
CURRENT MEASUREMENT
IS DONE
(CMD_F = 1)
MOTOR IS STOPPED
PWM IS OFF
CLEAR FAILURE TEST
ERROR INDICATION
(RED LED IS BLINKING)
WAIT FOR
CLEAR FAILURE
OR RESET
CLEAR FAILURE
(START SWITCH SET OFF OR
PCMODE&CLEARFAIL)
(FAILURE = 0) OR RESET
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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