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| LM3S2793 Datasheet, PDF (946/1194 Pages) Texas Instruments – Stellaris® LM3S2793 Microcontroller | |||
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Pulse Width Modulator (PWM)
Figure 20-1. PWM Module Diagram
PWM Clock
Triggers / Faults
System Clock
Control and
Status
PWMCTL
PWMSYNC
PWMSTATUS
Interrupts
Triggers
Interrupt
PWMINTEN
PWMRIS
PWMISC
Output
PWMENABLE
PWMINVERT
PWMFAULT
PWMFAULTVAL
PWMENUPD
pwm0Aâ
PWM
pwm0Bâ
Generator 0
pwm0fault
pwm1Aâ
PWM
pwm1Bâ
Generator 1
pwm1fault
pwm2Aâ
PWM
pwm2Bâ
Generator 2
pwm2fault
pwm3Aâ
PWM
pwm3Bâ
Generator 3
pwm3fault
PWM 0
PWM 1
PWM
Output
Control
Logic
PWM 2
PWM 3
PWM 4
PWM 5
PWM 6
PWM 7
Figure 20-2. PWM Generator Block Diagram
PWM Generator Block
Interrupts /
Triggers
Control
PWMnCTL
Interrupt and
Trigger
Generator
PWMnINTEN
PWMnRIS
PWMnISC
Timer
zero
load
dir
PWMnLOAD
PWMnCOUNT
Fault
Condition
PWMnFLTSRC0
PWMnFLTSRC1
PWMnMINFLTPER
PWMnFLTSEN
PWMnFLTSTAT0
PWMnFLTSTAT1
Digital Trigger(s)
Fault(s)
pwmfault
PWM Clock
Comparators
PWMnCMPA
PWMnCMPB
cmpA
cmpB
Signal
Generator
PWMnGENA
PWMnGENB
pwmA
pwmB
Dead-Band
Generator
PWMnDBCTL
PWMnDBRISE
PWMnDBFALL
pwmAâ
pwmBâ
20.2
Signal Description
The following table lists the external signals of the PWM module and describes the function of each.
The PWM controller signals are alternate functions for some GPIO signals and default to be GPIO
946
January 20, 2012
Texas Instruments-Production Data
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