LM3S5749 Datasheet, PDF (812/947 Pages) Texas Instruments – Stellaris® LM3S5749 Microcontroller

Pulse Width Modulator (PWM)
Bit/Field
9:8
7:6
5
4
3
Name
GenBUpd
GenAUpd
CmpBUpd
CmpAUpd
LoadUpd
Type
R/W
R/W
R/W
R/W
R/W
Reset
0
Description
PWMnGENB Update Mode
Specifies the update mode for the PWMnGENB register.
Value Description
0 Immediate
The PWMnGENB register value is immediately updated on a
write.
1 Reserved
2 Locally Synchronized
Updates to the register are reflected to the generator the next
time the counter is 0.
3 Globally Synchronized
Updates to the register are delayed until the next time the
counter is 0 after a synchronous update has been requested
through the PWM Master Control (PWMCTL) register.
0
PWMnGENA Update Mode
Specifies the update mode for the PWMnGENA register.
Value
0
1
2
3
Description
Immediate
The PWMnGENA register value is immediately updated on
a write.
Reserved
Locally Synchronized
Updates to the register are reflected to the generator the
next time the counter is 0.
Globally Synchronized
Updates to the register are delayed until the next time the
counter is 0 after a synchronous update has been requested
through the PWM Master Control (PWMCTL) register.
0
Comparator B Update Mode
Same as CmpAUpd but for the comparator B register.
0
Comparator A Update Mode
The Update mode for the comparator A register. When not set, updates
to the register are reflected to the comparator the next time the counter
is 0. When set, updates to the register are delayed until the next time
the counter is 0 after a synchronous update has been requested through
the PWM Master Control (PWMCTL) register (see page 795).
0
Load Register Update Mode
The Update mode for the load register. When not set, updates to the
register are reflected to the counter the next time the counter is 0. When
set, updates to the register are delayed until the next time the counter
is 0 after a synchronous update has been requested through the PWM
Master Control (PWMCTL) register.
812
November 17, 2011
Texas Instruments-Production Data