MC908MR16CFUE Datasheet, PDF (138/282 Pages) Freescale Semiconductor, Inc – On-chip programming firmware for use with host personal computer, Clock generator module (CGM)

Pulse-Width Modulator for Motor Control (PWMMC)
CYCLE START
DISX
SOFTWARE X DISABLE
SQ
R
FMODE2
LOGIC HIGH FOR FAULT
FPIN2
TWO
ONE
FAULT
PIN2
SAMPLE
FILTER
SHOT
S
R
CLEAR BY WRITING 1 TO FTACK4
Q _FFLAG2
AUTO
MODE
MANUAL
MODE
FINT2
FAULT PIN 2 DISABLE
SQ
R
BANK X
DISABLE
INTERRUPT REQUEST
The example is of fault pin 2 with DISX. Fault pin 4 with DISY is logically similar and affects BANK Y disable.
Note: In manual mode (FMODE = 0), faults 2 and 4 may be cleared only if a logic level low at the input of the fault
pin is present.
CYCLE START
FMODE1
LOGIC HIGH FOR FAULT
FPIN1
FAULT
PIN1
TWO
SAMPLE
FILTER
ONE
SHOT
S
R
CLEAR BY WRITING 1 TO FTACK1
Q _FFLAG1
AUTO
MODE
MANUAL
MODE
FINT1
The example is of fault pin 1. Fault pin 3 is logically similar and affects BANK Y disable.
FAULT PIN 1 DISABLE
SQ
R
BANK X DISABLE
INTERRUPT REQUEST
Note: In manual mode (FMODE = 0), faults 1 and 3 may be cleared regardless of the logic level at the input of the fault pin.
Figure 12-26. PWM Disabling Scheme
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
138
Freescale Semiconductor