82801CA Datasheet, PDF (477/521 Pages) Intel Corporation – I/O Controller Hub 3-S (ICH3-S)

Electrical Characteristics
Figure 16-8. IDE Multiword DMA
CLK66
t67
DDREQ[1:0]
DDACK[1:0]
t65
t60
DIOx#
DD[15:0] Read
DD[15:0] Write
t61
t75
t76
t70 t71
Read Data
t69
t69
Write Data
Figure 16-9. Ultra ATA Mode (Drive Initiating a Burst Read)
t68
Read Data
Write Data
idedma.vsd
DMARQ
(drive)
DMACK# (host)
STOP
(host)
DMARDY#
(host)
STROBE
(drive)
DD[15:0]
DA[2:0], CS[1:0]
t96
t91
t89
t98
t89
t99b
t97
t95
t94
t85
t86
Ultra_ATA_Tim ing
Intel^® 82801CA ICH3-S Datasheet
477