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4.7 Timing
C156-E227-01EN 4-89
4.7.3 Ultra DMA data in transfer (initialization timing)
DMARQ
DMACK-
STOP
HDMARDY
DSTROBE
DS(15.0)
DA(2.0)
CS0-,CS1-
tUI
tACK
tACK
tACK
tACK
tENV
tENV
tZIORDY
tAZ
tZAD
tZAD
tFS
tFS
tDVS
tCVH
Figure 4.4 Ultra DMA data in transfer (initialization timing)
4.7.4 Ultra DMA data in transfer (continuous transfer timing)
DSTROBE
at device
DD(15:0)
at device
DSTROBE
at device
DD(15:0)
at device
t2CYC
tCYC
tCYC
t2CYC
tDVH
tDVH tDVH
tDVS tDVS
tDH
tDH
tDH
tDS
tDS
Figure 4.5 Ultra DMA data in transfer (continuous transfer timing)