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Specification
NET2272 USB Peripheral Controller
______________________________________________________________________________
NetChip Technology, Inc., 2003
Patent Pending
335 Pioneer Way, Mountain View, California 94041
TEL (650) 526-1490
FAX (650) 526-1494
http://www.netchip.com
Rev 1.2, October 15, 2003
76
9.1
Control ‘Read’ Transfers
9.1.1 Get Device Status
Offset
Number of
Bytes
Description
Suggested Value
0
2
bits 15:2 = Reserved
bit 1 = Device Remote Wakeup enabled
bit 0 = Power supply is good in Self-Powered mode.
Determined by local CPU
9.1.2 Get Interface Status
Offset
Number of
Bytes
Description
Suggested Value
0
2
bits 15:0 = Reserved
0000h
9.1.3 Get Endpoint Status
Offset
Number of
Bytes
Description
Suggested Value
0
2
bits 15:1 = Reserved
bit 0 = Endpoint is halted
Determined by local CPU
9.1.4 Get Device Descriptor (18 Bytes)
Offset
Number of
Bytes
Description
Suggested Value
0
1
Length
12h
1
1
Type (device)
01h
2
2
USB Specification Release Number
0200h
4
1
Class Code
FFh
5
1
Sub Class Code
00h
6
1
Protocol
00h
7
1
Maximum Endpoint 0 Packet Size
40h
8
2
Vendor ID
0525h
10
2
Product ID
2272h
12
2
Device Release Number
0110h
14
1
Index of string descriptor describing manufacturer
01h
15
1
Index of string descriptor describing product
02h
16
1
Index of string descriptor describing serial number
00h (not enabled)
17
1
Number of configurations
Determined by local CPU
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