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AT INTERFACE DESCRIPTION
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Ultra DMA TimingUltra DMA Timing
Ultra DMA TimingUltra DMA Timing
Ultra DMA Timing
SRETEMARAPGNIMIT )sdnocesonannisemitlla( 0EDOM1EDOM2EDOM3EDOM4EDOM
NIMXAMNIMXAMNIMXAMNIMXAMNIMXAM
t
CYC
emiTelcyC)egdeEBORTSotegdeEBORTSmorf(21137459352
2t
CYC
emitelcycowTroegdegnisirtxenotegdegnisirmorf(
EBORTSfoegdegnillaftxenotegdegnillafmorf)
0324515116875
t
SD
emitputesataD)tneipicerta(5101775
t
HD
emitdlohataD)tneipicerta( 55555
t
SVD
rednestaemitputesdilavataDgniebsubatadmorfemit(
)egdeEBORTSlitnudilav
078403026
t
HVD
rednestaemitdlohdilavataDegdeEBORTSmorfemit(
)dilavniogyamatadlitnu
66666
t
SF
EBORTStsriF)EBORTStsrifdnesotecivedrofemit(00320002007100310021
t
IL
emitkcolretnidetimiLybnoitcananeewtebdewollaemit(
noitcagniwollofehtdna,ecivedrotsohrehtie,tnegaeno
)tnegarehtoehtyb
00510051005100010001
t
ILM
muminimhtiwemitkcolretnI0202020202
t
IU
emitkcolretnidetimilnU 00000
t
ZA
esaelerotstuptuorofdewollaemitmumixaM0101010101
t
HAZ
nogninrutsrevirdtuptuorofderiuqeremityaledmuminiM
)etatsdesaelermorf(
0202020202
t
DAZ
00000
t
VNE
emitepolevnEehtnihtiwerasnoitisnartlangislortnoclla(
)emithcumsihtybepolevneKCAMD
02070207020702550255
t
RS
YDRAMDotEBORTSehterusneotemitesnopser(
)gnisuapsitneipicerehtnehwesacesuapsuonorhcnys
050302ANAN
t
SFR
emitEBORTS-lanif-ot-ydaeRyamsegdeEBORTSeromon(
)noitagen-YDRAMDgniviecerretfagnolsihttneseb
5707060606
t
PR
emitesuap-ot-ydaeRemussayamtneipiceralitnuemit(
)-YDRAMDfonoitagenretfadesuapsahrednesehttaht
061521001001001
t
ZYDROI
desaelerebotYDROIgniwollaerofebemitpu-lluP0202020202
t
YDROIZ
YDROIgnivirderofebtiawllahsecivedemitmuminiM 00000
t
KCA
fonoitagendnanoitressaerofebsemitdlohdnaputeS
-KCAMD
0202020202
t
SS
ehtnehwnoitressaPOTSotegdeEBORTSmorfemiT
gnippotssirednes
0505050505
DMARQ
(device)
DMACK-
(host)
STOP
(host)
HDMARDY-
(host)
DSTROBE
(device)
DD(15:0)
t
ZAD
DA0, DA1, DA2,
CS0-, CS1-
t
UI
t
ZAD
t
ACK
t
ACK
t
ENV
t
ENV
t
ZIORDY
t
FS
t
FS
t
VDS
t
AZ
t
DVH
t
ACK
Figure 5 - 4
Initiating an Ultra DMA Data In Burst