NET2890 datasheet(56/73 Pages) ETC

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Specification

NET2890 USB Interface Controller

____________________________________________________________________________________

NetChip Technology, Inc., 1999

335 Pioneer Way, Mountain View, California 94041

TEL (650) 526-1490

FAX (650) 526-1494

http://www.netchip.com

Rev 2.0, Draft 9, July 16, 1999

6. Standard Device Requests

Standard device requests must be supported by Endpoint 0. See also chapter 9, USB specification. The local

bus CPU decodes the setup packets for Endpoint 0 and generates a response based on the following tables.

Table 6-1: Standard Request Codes

bRequest

Value

Get_Status

Clear_Feature

Reserved

Set_Feature

Reserved

Set_Address

Get_Descriptor

Set_Descriptor

Get_Configuration

Set_Configuration

Get_Interface

Set_Interface

Synch_Frame

Table 6-2. Descriptor Types

Descriptor Types

Value

Device

Configuration

String

Interface

Endpoint

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