ISD-200 ETC2 [List of Unclassifed Manufacturers], ISD-200 Datasheet - Page 43

• Manufacturer Part Number: ISD-200
• Description: USB Mass Storage Class Bulk-Only Specification Compliant
• Manufacturer: ETC2 [List of Unclassifed Manufacturers]

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