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end
= 0
update OUTMASK register at
each rising edge of system clock
begin
software
trigger
endend
end
end
= 0
= 0
= 1
= 1
= 1
= 1
= 0
= 1
0 =
0 =
1 =
1 =
0 =
legacy
PWM synchronization
SYNCHOM
bit ?
update OUTMASK register by
PWM synchronization
update OUTMASK
with its buffer value
SYNCMODE
bit ?
clear TRIGn bit
HWTRIGMODE
bit ?
update OUTMASK
with its buffer value
wait hardware trigger n
TRIGn
bit ?
HWOM
bit ?
SWOM
bit ?
SWSYNC
bit ?
rising edge
of system
clock ?
update OUTMASK
with its buffer value
hardware
trigger
OUTMASK is updated
by software trigger
OUTMASK is updated
by hardware trigger
enhanced PWM synchronization
= yes
no =
Figure 37-214. OUTMASK register synchronization flowchart
In the case of legacy PWM synchronization, the OUTMASK register synchronization
depends on PWMSYNC bit according to the following description.
Functional description
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
920
Preliminary
Freescale Semiconductor, Inc.
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