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AM1808 Datasheet(PDF) 232 Page - Texas Instruments

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Part # AM1808
Description  AM1808 ARM Microprocessor
PDF  262 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AM1808 Datasheet(HTML) 232 Page - Texas Instruments

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AM1808
SPRS653C
– FEBRUARY 2010 – REVISED DECEMBER 2011
www.ti.com
5.29.2 Enhanced Pulse Width Modulator (eHRPWM) Timing
PWM refers to PWM outputs on eHRPWM1-6. Table 5-126 shows the PWM timing requirements and
Table 5-127, switching characteristics.
Table 5-126. Timing Requirements for eHRPWM
PARAMETER
TEST
1.3V, 1.2V, 1.1V, 1.0V
UNIT
CONDITIONS
MIN
MAX
tw(SYNCIN)
Sync input pulse width
Asynchronous
2tc(SCO)
cycles
Synchronous
2tc(SCO)
cycles
Table 5-127. 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,
ns
20
20
26.6
PWMx output high/low
tw(SYNCOUT)
Sync output
cycles
8tc(SCO)
8tc(SCO)
8tc(SCO)
pulse width
td(PWM)TZA
Delay time, trip input
no pin load; no
ns
active to PWM forced high
additional
Delay time,
programmable
25
25
25
trip input active to PWM
delay
forced low
td(TZ-PWM)HZ
Delay time,
no additional
ns
trip input active to PWM Hi-Z
programmable
20
20
20
delay
232
Peripheral Information and Electrical Specifications
Copyright
© 2010–2011, Texas Instruments Incorporated
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Product Folder Link(s): AM1808



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