Latch
Generate
interrupt
pulse
when
input = 1
2-bit
Counter
Set
Clear
1
0
0
Clear CNT
Inc CNT
ETPS[INTCNT]
ETPS[INTPRD]
ETCLR[INT]
EPWMxINT
ETFRC[INT]
ETSEL[INT]
ETFLG[INT]
ETSEL[INTSEL]
000
001
010
011
100
101
111
101
0
0
CTRU=CMPA
CTRD=CMPA
CTRU=CMPB
CTRD=CMPB
CTR=0
CTR=PRD
Enhanced PWM (ePWM) Module
Figure 15-47. Event-Trigger Interrupt Generator
1549
SPRUH73H – October 2011 – Revised April 2013
Pulse-Width Modulation Subsystem (PWMSS)
Copyright © 2011–2013, Texas Instruments Incorporated