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NET2890 데이터시트(PDF) 48 Page - List of Unclassifed Manufacturers

부품명 NET2890
상세설명  USB Interface Controller
PDF  73 Pages
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NET2890 데이터시트(HTML) 48 Page - List of Unclassifed Manufacturers

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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
48
5.5 Setup Registers
The Setup registers are dedicated to storing an 8-byte SETUP packet received by Endpoint 0.
5.5.1 (Address 10h; SETUP0) Setup Byte 0
Bits
Description
Read
Write
Default
Value
7:0
Setup Byte 0. This port provides byte 0 of the last setup packet received. For a
Standard Device Request, the following bmRequestType information is returned:
Bit
Description
7
Direction: 0 = host to device; 1 = device to host
6:5
Type: 0 = Standard, 1 = Class, 2 = Vendor, 3 = Reserved
4:0
Recipient: 0 = Device, 1 = Interface, 2 = Endpoint, 3 = Other,
4-31 = Reserved
Yes
No
0
5.5.2 (Address 11h; SETUP1) Setup Byte 1
Bits
Description
Read
Write
Default
Value
7:0
Setup Byte 1. This port provides byte 1 of the last setup packet received. For a
Standard Device Request, the following bRequest Code information is returned:
Code
Description
00h
Get Status
01h
Clear Feature
02h
Reserved
03h
Set Feature
04h
Reserved
05h
Set Address
06h
Get Descriptor
07h
Set Descriptor
08h
Get Configuration
09h
Set Configuration
0Ah
Get Interface
0Bh
Set Interface
0Ch
Synch Frame
Yes
No
0
5.5.3 (Address 12h; SETUP2) Setup Byte 2
Bits
Description
Read
Write
Default
Value
7:0
Setup Byte 2. This port provides byte 2 of the last setup packet received. For a
Standard Device Request, the least significant byte of the wValue field is returned.
Yes
No
0
5.5.4 (Address 13h; SETUP3) Setup Byte 3
Bits
Description
Read
Write
Default
Value
7:0
Setup Byte 3. This port provides byte 3 of the last setup packet received. For a
Standard Device Request, the most significant byte of the wValue field is returned.
Yes
No
0



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