ePWM
7 - 38 TMS320F2837xD Microcontroller Workshop - Control Peripherals
ePWM Event-Trigger Sub-Module
ePWM Event-Trigger Sub-Module
16-Bit
Time-Base
Counter
Compare
Logic
Action
Qualifier
Dead
Band
PWM
Chopper
Trip
Zone
Period
Register
Clock
Prescaler
EPWMxA
EPWMxB
TZy
EPWMxSYNCI EPWMxSYNCO
TBCLK
Digital
Compare
Compare
Registers
Event Trigger
Compare
Registers
INPUT X-Bar
ePWM X-Bar
TZ1-TZ3
EPWMCLK
The event-trigger submodule manages the events generated by the time-base, counter-compare,
and digital-compare submodules for generating an interrupt to the CPU and/or a start of
conversion pulse to the ADC when a selected event occurs.
ePWM Event-Trigger Interrupts and SOC
TBCTR
TBPRD
CMPD
CMPA
CTR = 0
CTR = PRD
CTRU = CMPA
CTRD = CMPA
CTRU = CMPB
CTRD = CMPB
CTR = 0 or PRD
CMPC
CMPB
CTRU = CMPC
CTRD = CMPC
CTRU = CMPD
CTRD = CMPD
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