mc68hc908mr32 Freescale Semiconductor, Inc, mc68hc908mr32 Datasheet - Page 138
mc68hc908mr32
Manufacturer Part Number
mc68hc908mr32
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908MR32.pdf
(282 pages)
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Pulse-Width Modulator for Motor Control (PWMMC)
138
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
The example is of fault pin 1. Fault pin 3 is logically similar and affects BANK Y disable.
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.
FAULT
LOGIC HIGH FOR FAULT
PIN2
FAULT
pin is present.
PIN1
LOGIC HIGH FOR FAULT
CLEAR BY WRITING 1 TO FTACK4
SAMPLE
FILTER
TWO
CLEAR BY WRITING 1 TO FTACK1
SAMPLE
FILTER
TWO
SHOT
ONE
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
FPIN2
CYCLE START
FPIN1
FMODE2
Figure 12-26. PWM Disabling Scheme
SHOT
ONE
CYCLE START
R
S
FMODE1
Q
FFLAG2
R
S
Q
FFLAG1
MANUAL
MODE
MODE
AUTO
FINT2
DISX
MANUAL
MODE
MODE
AUTO
FINT1
FAULT PIN 2 DISABLE
SOFTWARE X DISABLE
R
S
R
S
FAULT PIN 1 DISABLE
Q
Q
R
S
Freescale Semiconductor
INTERRUPT REQUEST
INTERRUPT REQUEST
Q
BANK X DISABLE
BANK X
DISABLE
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