ISD-200 Datasheet, PDF (32/64 Pages) List of Unclassifed Manufacturers – USB Mass Storage Class Bulk-Only Specification Compliant

ISD-200 ASIC Datasheet
(from page 1)
INITIALIZE
flow diagram
Attempt ECh command
page 2 of 2
ECh
no
Success
yes
no
I_MODE
and
no_prom
yes
Attempt FBh command
ECh
Signature
Pass
no
yes
ATAPI
Reset
no
enabled
yes
Perform ATAPI Reset(08h)
Attempt A1h command
yes
A1h
Snuoccess
no
FBh
no
Success
yes
Device
Initialized
Event Notification command
(if enabled)
assert
INIT
DONE
Reset Retry
(page 1)
Figure 3 – Full Device Initialization Sequence
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