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TMS320C6748
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SPRS590G –JUNE 2009–REVISED JANUARY 2017
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Peripheral Information and Electrical SpecificationsCopyright © 2009–2017, Texas Instruments Incorporated
6.29.1 Enhanced Pulse Width Modulator (eHRPWM) Timing
PWM refers to PWM outputs on eHRPWM1-6. Table 6-126 shows the PWM timing requirements and
Table 6-127, switching characteristics.
Table 6-126. Timing Requirements for eHRPWM
TEST CONDITIONS 1.3V, 1.2V, 1.1V, 1.0V
UNIT
MIN MAX
t
w(SYNCIN)
Sync input pulse width Asynchronous 2t
c(SCO)
cycles
Synchronous 2t
c(SCO)
cycles
Table 6-127. Switching Characteristics Over Recommended Operating Conditions for eHRPWM
PARAMETER TEST
CONDITIONS
1.3V, 1.2V 1.1V 1.0V
UNIT
MIN MAX MIN MAX MIN MAX
t
w(PWM)
Pulse duration, PWMx output
high/low
20 20 26.6
ns
t
w(SYNCOUT)
Sync output pulse width 8t
c(SCO)
8t
c(SCO)
8t
c(SCO)
cycles
t
d(PWM)TZA
Delay time, trip input active to
PWM forced high
Delay time, trip input active to
PWM forced low
no pin load; no
additional
programmable
delay
25 25 25
ns
t
d(TZ-PWM)HZ
Delay time, trip input active to
PWM Hi-Z
no additional
programmable
delay
20 20 20
ns