Enhanced PWM (ePWM) Module
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15.2.2.3.1 Purpose of the Time-Base Submodule
You can configure the time-base submodule for the following:
• Specify the ePWM time-base counter (TBCNT) frequency or period to control how often events occur.
• Manage time-base synchronization with other ePWM modules.
• Maintain a phase relationship with other ePWM modules.
• Set the time-base counter to count-up, count-down, or count-up-and-down mode.
• Generate the following events:
– CTR = PRD: Time-base counter equal to the specified period (TBCNT = TBPRD) .
– CTR = 0: Time-base counter equal to zero (TBCNT = 0000h).
• Configure the rate of the time-base clock; a prescaled version of the CPU system clock
(SYSCLKOUT). This allows the time-base counter to increment/decrement at a slower rate.
1502
Pulse-Width Modulation Subsystem (PWMSS) SPRUH73H–October 2011–Revised April 2013
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