0000h
FFFFh
TBCNT
UP
DOWN
UP
DOWN
UP
DOWN
UP
TBPHS
(value)
TBPRD
(value)
EPWMxSYNCI
CTR_dir
CTR = 0
CNT_max
CTR = PRD
0000h
FFFFh
TBCNT
TBPHS
(value)
TBPRD
(value)
EPWMxSYNCI
CTR_dir
CTR = 0
CNT_max
CTR = PRD
Enhanced PWM (ePWM) Module
Figure 15-14. Time-Base Down-Count Mode Waveforms
Figure 15-15. Time-Base Up-Down-Count Waveforms, TBCTL[PHSDIR = 0] Count Down on
Synchronization Event
1509
SPRUH73H – October 2011 – Revised April 2013
Pulse-Width Modulation Subsystem (PWMSS)
Copyright © 2011–2013, Texas Instruments Incorporated