LM3S2776 Datasheet, PDF (694/785 Pages) Texas Instruments – Stellaris® LM3S2776 Microcontroller

Pulse Width Modulator (PWM)
Bit/Field
11:10
9:8
7:6
5:4
Name
ActCmpBD
ActCmpBU
ActCmpAD
ActCmpAU
Type
R/W
R/W
R/W
R/W
Reset
0x0
Description
Action for Comparator B Down
The action to be taken when the counter matches comparator B while
counting down.
The table below defines the effect of the event on the output signal.
Value Description
0x0 Do nothing.
0x1 Invert the output signal.
0x2 Set the output signal to 0.
0x3 Set the output signal to 1.
0x0
Action for Comparator B Up
The action to be taken when the counter matches comparator B while
counting up. Occurs only when the Mode bit in the PWMnCTL register
(see page 679) is set to 1.
The table below defines the effect of the event on the output signal.
Value Description
0x0 Do nothing.
0x1 Invert the output signal.
0x2 Set the output signal to 0.
0x3 Set the output signal to 1.
0x0
Action for Comparator A Down
The action to be taken when the counter matches comparator A while
counting down.
The table below defines the effect of the event on the output signal.
Value Description
0x0 Do nothing.
0x1 Invert the output signal.
0x2 Set the output signal to 0.
0x3 Set the output signal to 1.
0x0
Action for Comparator A Up
The action to be taken when the counter matches comparator A while
counting up. Occurs only when the Mode bit in the PWMnCTL register
is set to 1.
The table below defines the effect of the event on the output signal.
Value Description
0x0 Do nothing.
0x1 Invert the output signal.
0x2 Set the output signal to 0.
0x3 Set the output signal to 1.
694
November 17, 2011
Texas Instruments-Production Data