Texas Instruments Development Kit for TM4C129x,Tiva™ ARM® Cortex™ -M4 Microcontroller DK-TM4C129X DK-TM4C129X Datenbogen
Produktcode
DK-TM4C129X
Description
Reset
Type
Name
Bit/Field
Debug Mode
Description
Value
The counter stops running when it next reaches 0 and continues
running again when no longer in Debug mode.
running again when no longer in Debug mode.
0
The counter always runs when in Debug mode.
1
0
RW
DEBUG
2
Counter Mode
Description
Value
The counter counts down from the load value to 0 and then
wraps back to the load value (Count-Down mode).
wraps back to the load value (Count-Down mode).
0
The counter counts up from 0 to the load value, back down to
0, and then repeats (Count-Up/Down mode).
0, and then repeats (Count-Up/Down mode).
1
0
RW
MODE
1
PWM Block Enable
Note:
Disabling the PWM by clearing the
ENABLE
bit does not clear
the
COUNT
field of the PWMnCOUNT register. Before
re-enabling the PWM (
ENABLE
= 0x1), the
COUNT
field should
be cleared by resetting the PWM registers through the
SRPWM register in the System Control Module.
SRPWM register in the System Control Module.
Description
Value
The entire PWM generation block is disabled and not clocked.
0
The PWM generation block is enabled and produces PWM
signals.
signals.
1
0
RW
ENABLE
0
December 13, 2013
1974
Texas Instruments-Advance Information
Pulse Width Modulator (PWM)