SAM3S8B Atmel Corporation, SAM3S8B Datasheet - Page 884
SAM3S8B
Manufacturer Part Number
SAM3S8B
Description
Manufacturer
Atmel Corporation
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35.6.2.5
884
884
SAM3S8/SD8
SAM3S8/SD8
Output Override
The two complementary outputs DTOHx and DTOLx of the dead-time generator can be forced
to a value defined by the software.
Figure 35-8. Override Output Selection
The fields OSHx and OSLx in the
puts of the dead-time generator DTOHx and DTOLx to be overridden by the value defined in the
fields OOVHx and OOVLx in
The set registers
Register”
regardless of other channels. In the same way, the clear registers
Register”
PWM_OSCUPD) disable the override of the outputs of a channel regardless of other channels.
By using buffer registers PWM_OSSUPD and PWM_OSCUPD, the output selection of PWM
outputs is done synchronously to the channel counter, at the beginning of the next PWM period.
By using registers PWM_OSS and PWM_OSC, the output selection of PWM outputs is done
asynchronously to the channel counter, as soon as the register is written.
The value of the current output selection can be read in PWM_OS.
While overriding PWM outputs, the channel counters continue to run, only the PWM outputs are
forced to user defined values.
(PWM_OSS and PWM_OSSUPD) enable the override of the outputs of a channel
and
“PWM Output Selection Set Register”
“PWM Output Selection Clear Update Register”
the“PWM Output Override Value Register”
“PWM Output Selection Register”
DTOHx
OOVHx
DTOLx
OOVLx
OSHx
OSLx
0
1
0
1
OOOHx
OOOLx
and
“PWM Output Selection Set Update
“PWM Output Selection Clear
(PWM_OS) allow the out-
(PWM_OOV).
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
(PWM_OSC and
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