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USB4640 数据表(PDF) 33 Page - SMSC Corporation

部件名 USB4640
功能描述  High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
PDF  64 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

USB4640 数据表(HTML) 33 Page - SMSC Corporation

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High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
Datasheet
SMSC USB4640/USB4640i
33
Revision 1.0 (06-09-09)
DATASHEET
8.4.1.4
1Ah-1Bh: USB Vendor ID Option
8.4.1.5
1Ch-1Dh: USB Product ID Option
8.4.1.6
1Eh: USB Language Identifier Descriptor Length
8.4.1.7
1Fh: USB Language Identifier Descriptor Type
8.4.1.8
20h: USB Language Identifier Least Significant Byte
8.4.1.9
21h: USB Language Identifier Most Significant Byte
8.4.1.10
22h: USB Manufacturer String Descriptor Length
BYTE
NAME
DESCRIPTION
1:0
USB_VID
This ID is unique for every vendor. The vendor ID is assigned by the USB
Implementer’s Forum.
BYTE
NAME
DESCRIPTION
1:0
USB_PID
This ID is unique for every product. The product ID is assigned by the vendor.
BYTE
NAME
DESCRIPTION
0
USB_LANG_LEN
USB language ID 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_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 8.3 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 8.3 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).



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