Texas Instruments TMS320F2837 D Series - Section 7

PWM Review
7 - 2 TMS320F2837xD Microcontroller Workshop - Control Peripherals
Chapter Topics
Control Peripherals ..................................................................................................................... 7-1
PWM Review ............................................................................................................................. 7-3
ePWM........................................................................................................................................ 7-5
ePWM Time-Base Sub-Module ............................................................................................ 7-7
ePWM Compare Sub-Module ............................................................................................. 7-11
ePWM Action Qualifier Sub-Module ................................................................................... 7-14
Asymmetric and Symmetric Waveform Generation using the ePWM ................................ 7-22
PWM Computation Example ............................................................................................... 7-23
ePWM Dead-Band Sub-Module .......................................................................................... 7-24
ePWM Chopper Sub-Module .............................................................................................. 7-27
ePWM Trip-Zone and Digital Compare Sub-Modules ........................................................ 7-30
ePWM Event-Trigger Sub-Module ...................................................................................... 7-38
High Resolution PWM (HRPWM)........................................................................................ 7-40
eCAP ....................................................................................................................................... 7-41
eQEP ....................................................................................................................................... 7-47
Lab 7: Control Peripherals ...................................................................................................... 7-50