Texas Instruments Development Kit for TM4C129x,Tiva™ ARM® Cortex™ -M4 Microcontroller DK-TM4C129X DK-TM4C129X 数据表
产品代码
DK-TM4C129X
Description
Reset
Type
Name
Bit/Field
MnPWM3
Enable Update Mode
Description
Value
Immediate
Writes to the
PWM3EN
bit in the PWMENABLE register are used
by the PWM generator immediately.
0x0
Reserved
0x1
Locally Synchronized
Writes to the
PWM3EN
bit in the PWMENABLE register are used
by the PWM generator the next time the counter is 0.
0x2
Globally Synchronized
Writes to the
PWM3EN
bit in the PWMENABLE register are used
by the PWM generator the next time the counter is 0 after a
synchronous update has been requested through the PWM
Master Control (PWMCTL) register.
synchronous update has been requested through the PWM
Master Control (PWMCTL) register.
0x3
0
RW
ENUPD3
7:6
MnPWM2
Enable Update Mode
Description
Value
Immediate
Writes to the
PWM2EN
bit in the PWMENABLE register are used
by the PWM generator immediately.
0x0
Reserved
0x1
Locally Synchronized
Writes to the
PWM2EN
bit in the PWMENABLE register are used
by the PWM generator the next time the counter is 0.
0x2
Globally Synchronized
Writes to the
PWM2EN
bit in the PWMENABLE register are used
by the PWM generator the next time the counter is 0 after a
synchronous update has been requested through the PWM
Master Control (PWMCTL) register.
synchronous update has been requested through the PWM
Master Control (PWMCTL) register.
0x3
0
RW
ENUPD2
5:4
MnPWM1
Enable Update Mode
Description
Value
Immediate
Writes to the
PWM1EN
bit in the PWMENABLE register are used
by the PWM generator immediately.
0x0
Reserved
0x1
Locally Synchronized
Writes to the
PWM1EN
bit in the PWMENABLE register are used
by the PWM generator the next time the counter is 0.
0x2
Globally Synchronized
Writes to the
PWM1EN
bit in the PWMENABLE register are used
by the PWM generator the next time the counter is 0 after a
synchronous update has been requested through the PWM
Master Control (PWMCTL) register.
synchronous update has been requested through the PWM
Master Control (PWMCTL) register.
0x3
0
RW
ENUPD1
3:2
December 13, 2013
1968
Texas Instruments-Advance Information
Pulse Width Modulator (PWM)