TBCNT
0000h
FFFFh
CTR = CMPA
CMPA
(value)
CMPB
(value)
TBPHS
(value)
TBPRD
(value)
CTR = CMPB
EPWMxSYNCI
0000h
FFFFh
CTR = CMPA
TBCNT
CMPA
(value)
CMPB
(value)
TBPHS
(value)
TBPRD
(value)
CTR = CMPB
EPWMxSYNCI
Architecture
304
SPRUH91D – March 2013 – Revised September 2016
Copyright © 2013–2016, Texas Instruments Incorporated
Enhanced High-Resolution Pulse-Width Modulator (eHRPWM)
Figure 14-14. Counter-Compare Event Waveforms in Up-Count Mode
NOTE: An EPWMxSYNCI external synchronization event can cause a discontinuity in the TBCNT count
sequence. This can lead to a compare event being skipped. This skipping is considered normal operation and
must be taken into account.
Figure 14-15. Counter-Compare Events in Down-Count Mode