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USB2240 数据表(PDF) 21 Page - Microchip Technology

部件名 USB2240
功能描述  Ultra Fast USB 2.0 Multi-Format
PDF  43 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB2240 数据表(HTML) 21 Page - Microchip Technology

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 2010 - 2015 Microchip Technology Inc.
DS00001979A-page 21
USB224X
7.2.3.7
1Fh: USB Language Identifier Descriptor Type
7.2.3.8
20h: USB Language Identifier Least Significant Byte
7.2.3.9
21h: USB Language Identifier Most Significant Byte
7.2.3.10
22h: USB Manufacturer String Descriptor Length
7.2.3.11
23h: USB Manufacturer String Descriptor Type
7.2.3.12
24h-31h: USB Manufacturer String Option
7.2.3.13
32h-5Dh: Reserved
7.2.3.14
5Eh: USB Product String Descriptor Length
Byte
Name
Description
1
USB_LANG_TYP
USB language ID string descriptor type as defined by Section 9.6.7 “String” of
the USB 2.0 Specification (Revision 2.0, 2000). This field is the
“bDescriptorType” which is a constant value associated with a string descriptor
type.
Byte
Name
Description
2
USB_LANG_ID
_LSB
English language code = ‘0409’. See Note 7-2 to reference additional language
ID’s defined by the USB-IF.
Byte
Name
Description
3
USB_LANG_ID
_MSB
English language code = ‘0409’. See Note 7-2 to reference additional language
ID’s defined by the USB-IF.
Byte
Name
Description
0
USB_MFR_STR
_LEN
USB manufacturer string descriptor length as defined by Section 9.6.7 “String”
of the USB 2.0 Specification (Revision 2.0, 2000). This field is the “bLength”
which describes the size of the string descriptor (in bytes).
Byte
Name
Description
1
USB_MFR_STR
_TYP
USB manufacturer string descriptor type as defined by Section 9.6.7 “String” of
the USB 2.0 Specification (Revision 2.0, 2000). This field is the
“bDescriptorType” which is a constant value associated with a string descriptor
type.
Byte
Name
Description
15:2
USB_MFR_STR
The maximum string length is 29 characters.
Byte
Name
Description
59:16
Reserved
Reserved.
Byte
Name
Description
0
USB_PRD_STR
_LEN
USB product string descriptor length as defined by Section 9.6.7 “String” of the
USB 2.0 Specification (Revision 2.0, 2000). This field is the “bLength” which
describes the size of the string descriptor (in bytes). Maximum string length is
29 characters



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