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CTR = PRD
TBPRD Shadow (16)
TBPRD Active (16)
Counter
Up/Down
(16-Bit)
TBCNT
Active (16)
TBCTL[PHSEN]
TBCTL[SWFSYNC]
(Software-Forced Sync)
EPWMxSYNCI
CTR = ZERO
CTR_Dir
CTR = CMPB
Disabled
Sync
In/Out
Select
Mux
TBCTL[SYNCOSEL]
EPWMxSYNCO
TBPHS Active (24)
16
8
TBPHSHR (8)
Phase
Control
Time-Base (TB)
CTR = CMPA
CMPAActive (24)
16
CMPAShadow (24)
Action
Qualifier
(AQ)
8
16
Counter Compare (CC)
CMPB Active (16)
CTR = CMPB
CMPB Shadow (16)
CMPAHR (8)
EPWMA
EPWMB
Dead
Band
(DB)
PWM
Chopper
(PC)
Trip
Zone
(TZ)
CTR = ZERO
EPWMxAO
EPWMxBO
EPWMxTZINT
TZ1 to TZ6
HiRes PWM (HRPWM)
CTR = PRD
CTR = ZERO
CTR = CMPB
CTR = CMPA
CTR_Dir
Event
Trigger
and
Interrupt
(ET)
EPWMxINT
EPWMxSOCA
EPWMxSOCB
CTR = ZERO
TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, TMS320C2802
TMS320C2801, TMS320F28016, TMS320F28015
www.ti.com
SPRS230L–OCTOBER 2003–REVISED DECEMBER 2009
Figure 4-4. ePWM Sub-Modules Showing Critical Internal Signal Interconnections
Copyright © 2003–2009, Texas Instruments Incorporated Peripherals 57
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Product Folder Link(s): TMS320F2809 TMS320F2808 TMS320F2806 TMS320F2802 TMS320F2801 TMS320C2802
TMS320C2801 TMS320F28016 TMS320F28015