Texas Instruments TMS320F2837 D Series Workshop Guide And Lab Manual

ePWM
TMS320F2837xD Microcontroller Workshop - Control Peripherals 7 - 27
ePWM Dead Band Control Registers
1 - 03 - 25 - 415
SHDW
DBFED
MODE
SHDW
DBRED
MODE
LOAD
RED
MODE
LOAD
FED
MODE
IN
_
MODE
OUT
_
MODE
POL
SEL
OUT
SWAP
DEDB
_
MODE
HALF
CYCLE
7 - 69 - 8
101113 - 1214
EPwmxRegs.DBCTL
1 - 0215 - 3
SHDW
DBCTL
MODE
LOAD
DBCTL
MODE
reserved
EPwmxRegs.DBCTL2
Shadow Load Mode
00 = load on CTR = 0
01 = load on CTR = PRD
10 = load on CTR = 0 or PRD
11 = freeze (no load possible)
Operating Mode
0 = shadow mode;
double buffer w/ shadow register
1 = immediate mode;
shadow register not used
S1 S0
S3 S2S5 S4S7 S6S8
0 = full cycle clocking
(TBCLK rate)
1 = half cycle clocking
(TBCLK*2 rate)
ePWM Chopper Sub-Module
ePWM Chopper Sub-Module
16-Bit
Time-Base
Counter
Compare
Logic
Action
Qualifier
Dead
Band
PWM
Chopper
Trip
Zone
Period
Register
Clock
Prescaler
EPWMxA
EPWMxB
TZy
EPWMxSYNCI EPWMxSYNCO
TBCLK
Digital
Compare
Compare
Registers
Event Trigger
Compare
Registers
INPUT X-Bar
ePWM X-Bar
TZ1-TZ3
EPWMCLK
The PWM chopper submodule is used with pulse transformer-based gate drives to control the
power switching devices. This submodule modulates a high-frequency carrier signal with the
PWM waveform that is generated by the action-qualifier and dead-band submodules.

Texas Instruments TMS320F2837 D Series Specifications

General

Brand	Texas Instruments
Model	TMS320F2837 D Series
Category	Microcontrollers
Language	English