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CLKOUT1
1
2
4
4
MXI/CLKIN
5 6
3
MXI/CLKIN
CLKOUT2
1
2
3
4
5
6
4
TMS320DM355
DigitalMediaSystem-on-Chip(DMSoC)
SPRS463A–SEPTEMBER2007–REVISEDSEPTEMBER2007
Table5-7.SwitchingCharacteristicsOverRecommendedOperatingConditionsforCLKOUT1
(1)(2)
(see
Figure5-9)
DM355
UNI
NO.PARAMETER
T
MINTYPMAX
1t
C(CLKOUT1)
Cycletime,CLKOUT1t
c(MXI1)
ns
2t
w(CLKOUT1H)
Pulseduration,CLKOUT1high0.45P0.55Pns
3t
w(CLKOUT1L)
Pulseduration,CLKOUT1low0.45P0.55Pns
4t
t(CLKOUT1)
Transitiontime,CLKOUT10.05Pns
t
d(MXI1H-
5Delaytime,MXI1/CLKIN1hightoCLKOUT1high18ns
CLKOUT1H)
t
d(MXI1L-
6Delaytime,MXI1/CLKIN1IlowtoCLKOUT1low18ns
CLKOUT1L)
(1)ThereferencepointsfortheriseandfalltransitionsaremeasuredatV
OL
MAXandV
OH
MIN.
(2)P=1/CLKOUT1clockfrequencyinnanoseconds(ns).Forexample,whenCLKOUT1frequencyis24MHzuseP=41.6ns.
Figure5-9.CLKOUT1Timing
Table5-8.SwitchingCharacteristicsOverRecommendedOperatingConditionsforCLKOUT2
(1)(2)
(see
Figure5-10)
DM355
NO.PARAMETERUNIT
MINTYPMAX
1t
C(CLKOUT2)
Cycletime,CLKOUT2t
c(MXI1)
/3
2t
w(CLKOUT2H)
Pulseduration,CLKOUT2high0.45P0.55Pns
3t
w(CLKOUT2L)
Pulseduration,CLKOUT2low0.45P0.55Pns
4t
t(CLKOUT2)
Transitiontime,CLKOUT20.05Pns
t
d(MXI1H-
5Delaytime,MXI1/CLKIN1hightoCLKOUT2high18ns
CLKOUT2H)
t
d(MXI1L-
6Delaytime,MXI1/CLKIN1lowtoCLKOUT2low18ns
CLKOUT2L)
(1)ThereferencepointsfortheriseandfalltransitionsaremeasuredatV
OL
MAXandV
OH
MIN.
(2)P=1/CLKOUT2clockfrequencyinnanoseconds(ns).Forexample,whenCLKOUT2frequencyis8MHzuseP=125ns.
Figure5-10.CLKOUT2Timing
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