Event-Trigger Soca Pulse Generator; Event-Trigger Socb Pulse Generator - Texas Instruments Concerto F28M36 Series Technical Reference Manual

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ETCLR[SOCA]
EPWMxSOCA
ETCNTINIT[SOCAINIT]
ETCNTINITCTL[SOCAINITFRC]
EPWMxSYNCI
ETCNTINITCTL[SOCAINITEN]
A The DCAEVT1.soc signals are signals generated by the Digital compare (DC) submodule described later in
Section 7.2.9.
Figure 7-46 shows the operation of the event-trigger's start-of-conversion-B (SOCB) pulse generator. The
event-trigger's SOCB pulse generator operates the same way as the SOCA.
ETCLR[SOCB]
EPWMxSOCB
ETCNTINIT[SOCBINIT]
ETCNTINITCTL[SOCBINITFRC]
EPWMxSYNCI
ETCNTINITCTL[SOCBINITEN]
A The DCBEVT1.soc signals are signals generated by the Digital compare (DC) submodule in
SPRUHE8E – October 2012 – Revised November 2019
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Figure 7-45. Event-Trigger SOCA Pulse Generator
ETFLG[SOCA]
ETPS[SOCACNT]
Clear
Latch
Set
Generate
SOC
Pulse
When
Input = 1
ETSEL[SOCA]
4 4
ETPS[SOCAPRD]
Figure 7-46. Event-Trigger SOCB Pulse Generator
ETFLG[SOCB]
ETPS[SOCBCNT]
Clear
Latch
Set
Generate
SOC
Pulse
When
Input = 1
ETSEL[SOCB]
4 4
ETPS[SOCBPRD]
Copyright © 2012–2019, Texas Instruments Incorporated
ETSOCPS[SOCACNT2]
0 1
ETPS[SOCPSSEL]
ETSEL[SOCASEL]
ClrCNT
4-bit ETFRC[SOCA]
Counter
Inc CNT
ETPS[SOCPSSEL]
0 1
ETINTPS[SOCAPRD2]
ETSOCPS[SOCBCNT2]
0 1
ETPS[SOCPSSEL]
ETSEL[SOCBSEL]
ClrCNT
4-bit ETFRC[SOCB]
Counter
Inc CNT
ETPS[SOCPSSEL]
0 1
ETINTPS[SOCBPRD2]
C28 Enhanced Pulse Width Modulator (ePWM) Module
ePWM Submodules
000 DCAEVT1.soc
001
CTR = Zero
010
CTR = PRD
011
0
CTRU = CMPA
100
1 CTRU = CMPC
0
CTRD = CMPA
101
1 CTRD = CMPC
0
CTRU = CMPB
110
1 CTRU = CMPD
0
CTRD = CMPB
111
1 CTRD = CMPD
ETSEL[SOCASELCMP]
000 DCBEVT1.soc
001
CTR = Zero
010 CTR = PRD
011
0 CTRU = CMPA
100
1 CTRU = CMPC
0 CTRD = CMPA
101
1 CTRD = CMPC
0 CTRU = CMPB
110
1 CTRU = CMPD
0 CTRD = CMPB
111
1 CTRD = CMPD
ETSEL[SOCBSELCMP]
Section 7.2.9.
735