Datasheet

Travelstar 80GN Hard Disk Drive Specification
48
7.9.2 Host Pausing Read DMA
Table 29: Ultra DMA cycle timings (Host Pausing Read)
Note: When a host does not satisfy the tSR timing, the host should be ready to receive two more data words after
HDMARDY - is negated.
PARAMETER
DESCRIPTION
MODE 0 MODE 1 MODE 2 MODE 3 MODE 4 MODE 5
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
tSR
DSTROBE to
HDMARDY- time
–50–30–20––––––
tRFS
HDMARDY- to final
DSTROBE time
–75–70–60–60–60–50
DSTROBE
HDMARDY-
DMACK-
DMARQ
tSR
STOP
tRFS