ISD-200 Datasheet, PDF (43/64 Pages) List of Unclassifed Manufacturers – USB Mass Storage Class Bulk-Only Specification Compliant

ISD-200 ASIC Datasheet
PwrOn
NPWR100 = 0
NPWR500 = Z
Check for
EEPROM
EEPROM
Present?
No
Yes
I_MODE?
No
Yes
Start ATA /
ATAPI Boot
Get Config Data
Yes
Config Value
=1?
No (2)
NPWR100 = 0
NPWR500 = Z
NPWR100 = 0
NPWR500 = 0
ATA / ATAPI
Boot Done?
No
Start ATA /
ATAPI Boot
Yes
Set USB_ENUM
No
BUS_POWERED?
Yes
No
Return Config
Descriptors:
Dynamic (1)
Self Powered (2)
Return Only Config
Descriptor:
Dynamic (1)
Operational
Yes
No
USB
SET_CONFIG
?
Yes
Config Value
=0?
Figure 5 – Configuration Sequence
In-System Design Confidential
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