net2890 ETC-unknow, net2890 Datasheet - Page 48

• Manufacturer Part Number: net2890
• Description: Interface Controller
• Manufacturer: ETC-unknow

Specification
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
5.5.2 (Address 11h; SETUP1) Setup Byte 1
5.5.3 (Address 12h; SETUP2) Setup Byte 2
5.5.4 (Address 13h; SETUP3) Setup Byte 3
Bits
Bits
Bits
Bits
____________________________________________________________________________________
7:0
7:0
7:0
7:0
Description
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
7
6:5
4:0
Description
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
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
Description
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.
Description
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.
Description
Direction: 0 = host to device; 1 = device to host
Type: 0 = Standard, 1 = Class, 2 = Vendor, 3 = Reserved
Recipient: 0 = Device, 1 = Interface, 2 = Endpoint, 3 = Other,
4-31 = Reserved
Description
Get Status
Clear Feature
Reserved
Set Feature
Reserved
Set Address
Get Descriptor
Set Descriptor
Get Configuration
Set Configuration
Get Interface
Set Interface
Synch Frame
335 Pioneer Way, Mountain View, California 94041
TEL [phone] FAX [phone]
NetChip Technology, Inc., 1999
Rev 2.0, Draft 9, July 16, 1999
http://www.netchip.com
NET2890 USB Interface Controller
Read
Read
Read
Read
Yes
Yes
Yes
Yes
Write
Write
Write
Write
No
No
No
No
Default
Default
Default
Default
Value
Value
Value
Value
0
0
0
0
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