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AM1808AZCED3 Scheda tecnica(PDF) 237 Page - Texas Instruments

Il numero della parte AM1808AZCED3
Spiegazioni elettronici  AM1808 ARM Microprocessor
PDF  264 Pages
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
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AM1808AZCED3 Scheda tecnica(HTML) 237 Page - Texas Instruments

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AM1808
www.ti.com
SPRS653A – FEBRUARY 2010 – REVISED APRIL 2010
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
PARAMETER
TEST CONDITIONS
1.3V, 1.2V, 1.1V, 1.0V
UNIT
MIN
MAX
tw(SYNCIN)
Sync input pulse width
Asynchronous
2tc(SCO)
cycles
Synchronous
2tc(SCO)
cycles
Table 6-127. Switching Characteristics Over Recommended Operating Conditions for eHRPWM
PARAMETER
TEST
1.3V, 1.2V
1.1V
1.0V
UNIT
CONDITIONS
MIN
MAX
MIN
MAX
MIN
MAX
tw(PWM)
Pulse duration, PWMx output
ns
20
20
26.6
high/low
tw(SYNCOUT)
Sync output pulse width
8tc(SCO)
8tc(SCO)
8tc(SCO)
cycles
td(PWM)TZA
Delay time, trip input active to
no pin load; no
ns
PWM forced high
additional
25
25
25
Delay time, trip input active to
programmable
PWM forced low
delay
td(TZ-PWM)HZ
Delay time, trip input active to
no additional
ns
PWM Hi-Z
programmable
20
20
20
delay
Copyright © 2010, Texas Instruments Incorporated
Peripheral Information and Electrical Specifications
237
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