NET2890 datasheet(59/73 Pages) ETC

59 / 73 page

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

Get Configuration Descriptor (continued)

Offset

Number of

Bytes

Description

Suggested

Value

OUT Endpoint 1 Descriptor

Size of this descriptor

07h

Descriptor Type (endpoint)

05h

Endpoint Address

bit 7 = direction (1 = IN, 0 = OUT)

bits 6:4 = reserved

bits 3:0 = endpoint number

01h

Endpoint Attributes

bits 7:2 = reserved

bits 1:0

00 = Control

01 = Isochronous

10 = Bulk

11 = Interrupt

02h

Maximum packet size of this endpoint

0008h

Interval for polling endpoint (not used)

00h

IN Endpoint 2 Descriptor

Size of this descriptor

07h

Descriptor Type (endpoint)

05h

Endpoint Address

bit 7 = direction (1 = IN, 0 = OUT)

bits 6:4 = reserved

bits 3:0 = endpoint number

82h

Endpoint Attributes

bits 7:2 = reserved

bits 1:0

00 = Control

01 = Isochronous

10 = Bulk

11 = Interrupt

03h

Maximum packet size of this endpoint

0008h

Interval for polling endpoint

Interface 1 Descriptor

Size of this descriptor in bytes

09h

Type (interface)

04h

Number of this interface

01h

Alternate Interface

00h

Number of endpoints used by this interface

(excluding Endpoint 0)

02h

Class Code

00h

Sub Class Code

00h

Device Protocol

00h

Index of string descriptor describing this interface

00h

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