Texas Instruments C2000

ePWM
C2000 Microcontroller Workshop - Control Peripherals 7 - 35
ePWM Event-Trigger Selection Register
EPwmxRegs.ETSEL
15 11 7 - 4 2 - 0
INTEN INTSEL
reserved
3
SOCBSEL
SOCASEL
SOCAENSOCBEN
10 - 814 - 12
Enable SOCB / A
0 = disable
1 = enable
EPWMxSOCB / A Select
000 = DCBEVT1 / DCAEVT1
001 = CTR = 0
010 = CTR = PRD
011 = CTR = 0 or PRD
100 = CTRU = CMPA
101 = CTRD = CMPA
110 = CTRU = CMPB
111 = CTRD = CMPB
Enable EPWMxINT
0 = disable
1 = enable
EPWMxINT Select
000 = reserved
001 = CTR = 0
010 = CTR = PRD
011 = CTR = 0 or PRD
100 = CTRU = CMPA
101 = CTRD = CMPA
110 = CTRU = CMPB
111 = CTRD = CMPB
ePWM Event-Trigger Prescale Register
EPwmxRegs.ETPS
15 - 14 11 - 10 7 - 4 1 - 0
INTCNT INTPRD
reserved
2 - 3
SOCBPRD
SOCAPRD
SOCACNTSOCBCNT
9 - 813 - 12
EPWMxSOCB / A Counter
(number of events have occurred)
00 = no events
01 = 1 event
10 = 2 events
11 = 3 events
EPWMxSOCB / A Period
(number of events before SOC)
00 = disabled
01 = SOC on first event
10 = SOC on second event
11 = SOC on third event
EPWMxINT Counter
(number of events have occurred)
00 = no events
01 = 1 event
10 = 2 events
11 = 3 events
EPWMxINT Period
(number of events before INT)
00 = disabled
01 = INT on first event
10 = INT on second event
11 = INT on third event