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TMS320DM355
DigitalMediaSystem-on-Chip(DMSoC)
SPRS463A–SEPTEMBER2007–REVISEDSEPTEMBER2007
Table5-14.SwitchingCharacteristicsOverRecommendedOperatingConditionsforAsynchronous
MemoryCyclesforAEMIFModule(seeFigure5-14andFigure5-15)(continued)
DM355
UNI
NO.PARAMETER
T
MINNomMAX
Outputsetuptime,EM_BA[1:0]validto
6t
su(EMBAV-EMOEL)
(RS)*Ens
EM_OElow
Outputholdtime,EM_OEhighto
7t
h(EMOEH-EMBAIV)
(RH)*Ens
EM_BA[1:0]invalid
Outputsetuptime,EM_A[13:0]validto
8t
su(EMBAV-EMOEL)
(RS)*Ens
EM_OElow
Outputholdtime,EM_OEhighto
9t
h(EMOEH-EMAIV)
(RH)*Ens
EM_A[13:0]invalid
EM_OEactivelowwidth(EW=0)(RST)*Ens
10t
w(EMOEL)
EM_OEactivelowwidth(EW=1)(RST+(EWC*16))*Ens
t
d(EMWAITH-
DelaytimefromEM_WAITdeassertedto
114Ens
EMOEH)
EM_OEhigh
READS(OneNANDSynchronousBurstRead)
MH
32f
c(EM_CLK)
Frequency,EM_CLK166
z
33t
c(EM_CLK)
Cycletime,EM_CLK151000ns
t
su(EM_ADVV-
Outputsetuptime,EM_ADVvalidbefore
345ns
EM_CLKH)
EM_CLKhigh
t
h(EM_CLKH-
Outputholdtime,EM_CLKhightoEM_ADV
356ns
EM_ADVIV)
invalid
t
su(EM_AV-
Outputsetuptime,EM_A[13:0]/EM_BA[1]
365ns
EM_CLKH)
validbeforeEM_CLKhigh
t
h(EM_CLKH-
Outputholdtime,EM_CLKhighto
376ns
EM_AIV)
EM_A[13:0]/EM_BA[1]invalid
38t
w(EM_CLKH)
Pulseduration,EM_CLKhight
c(EM_CLK)
/3ns
39t
w(EM_CLKL)
Pulseduration,EM_CLKlowt
c(EM_CLK)
/3ns
WRITES
EMIFwritecycletime(EW=0)(WS+WST+WH)*Ens
15t
c(EMWCYCLE)
(WS+WST+WH+(EW
EMIFwritecycletime(EW=1)ns
C*16))*E
Outputsetuptime,EM_CE[1:0]lowto
(WS)*Ens
EM_WElow(SS=0)
16t
su(EMCEL-EMWEL)
Outputsetuptime,EM_CE[1:0]lowto
0ns
EM_WElow(SS=1)
Outputholdtime,EM_WEhighto
(WH)*Ens
EM_CE[1:0]high(SS=0)
17t
h(EMWEH-EMCEH)
Outputholdtime,EM_WEhighto
0ns
EM_CE[1:0]high(SS=1)
Outputsetuptime,EM_BA[1:0]validto
20t
su(EMBAV-EMWEL)
(WS)*Ens
EM_WElow
Outputholdtime,EM_WEhighto
21t
h(EMWEH-EMBAIV)
(WH)*Ens
EM_BA[1:0]invalid
Outputsetuptime,EM_A[13:0]validto
22t
su(EMAV-EMWEL)
(WS)*Ens
EM_WElow
Outputholdtime,EM_WEhighto
23t
h(EMWEH-EMAIV)
(WH)*Ens
EM_A[13:0]invalid
EM_WEactivelowwidth(EW=0)(WST)*Ens
24t
w(EMWEL)
EM_WEactivelowwidth(EW=1)(WST+(EWC*16))*Ens
t
d(EMWAITH-
DelaytimefromEM_WAITdeassertedto
254Ens
EMWEH)
EM_WEhigh
Outputsetuptime,EM_D[15:0]validto
26t
su(EMDV-EMWEL)
(WS)*Ens
EM_WElow
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