參數(shù)資料
型號(hào): UPD72012GB
廠商: NEC Corp.
英文描述: HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
中文描述: 集線器控制器通用串行總線
文件頁數(shù): 21/36頁
文件大?。?/td> 414K
代理商: UPD72012GB
Data Sheet S13918EJ3V0DS
21
μ
PD72012
2.6 Standard String Descriptor 0
Standard string descriptor 0 cannot be used in a standard ROM code product.
Value
Standard ROM code
product
No.
Field
Size
(Bytes)
Contents
003
004
Mask
ROM code
product
0
bLength
1
Shows the size of standard string descriptor 0.
0x00
0x00
0x04
1
bDescriptorType
1
Shows that this is a standard string descriptor.
0x00
0x00
0x03
2
wLANGID[0]
2
Shows the LanguageID of standard string descriptor
0. The LanguageID used is “0x0409” (Generic).
The
μ
PD72012 uses this LanguageID in common for
all string descriptors.
0x0000
0x0000
0x0409
2.7 Standard String Descriptors 1 Through 5
Standard string descriptors 1 through 5 cannot be used in a standard ROM code product.
This format is the common format for standard string descriptors #1 through #5 of the
μ
PD72012.
Value
Standard ROM code
product
No.
Field
Size
(Bytes)
Contents
003
004
Mask
ROM code
product
0
bLength
1
Shows the size of standard string descriptors 1
through 5. Its value is fixed at 66 bytes (0x42). The
string itself is this size –2 (64 bytes).
0x00
0x00
0x42
1
bDescriptorType
1
Shows that this is a standard string descriptor.
0x00
0x00
0x03
2
bString
64
Stores the standard string descriptor in UNICODE.
A string requires 2 bytes for each character. Strings
of up to 32 characters can be specified. If there are
white space characters, pad using NULL characters
(0x0000).
All 0
All 0
Remark
Five kinds of standard string descriptors can be defined and these describe the following contents
using 32 UNICODE characters.
Index
Contents
1
Comment about manufacturer (Manufacture) that uses HUB
2
Comment about product (Product) that uses HUB
3
Serial number (SerialNumber) of product that uses HUB
4
Comment about configuration (Configuration) of product that uses HUB
5
Comment about interface (Interface) of product that uses HUB
Refer to “The Unicode Standard, Worldwide Character Encoding, Version 1.0, Volume 1 and 2”, The Unicode
Consortium, Addison-Wesley Publishing Company, Reading, Massachusetts regarding UNICODE.
相關(guān)PDF資料
PDF描述
UPD72012CU-XXX HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
UPD72012GB-XXX HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
UPD72012GB-XXX-3B4 HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
UPD72012 HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
UPD72012GB-003-3B4 HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
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