UPD72012 Просмотр технического описания (PDF) - NEC => Renesas Technology
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UPD72012 Datasheet PDF : 36 Pages
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µPD72012
2.6 Standard String Descriptor 0
Standard string descriptor 0 cannot be used in a standard ROM code product.
No.
Field
0 bLength
1 bDescriptorType
2 wLANGID[0]
Size
(Bytes)
Contents
1 Shows the size of standard string descriptor 0.
1 Shows that this is a standard string descriptor.
2 Shows the LanguageID of standard string descriptor
0. The LanguageID used is “0x0409” (Generic).
The µPD72012 uses this LanguageID in common for
all string descriptors.
Value
Standard ROM code
product
003
004
0x00
0x00
0x00
0x00
0x0000 0x0000
Mask
ROM code
product
0x04
0x03
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 µPD72012.
No.
Field
0 bLength
1 bDescriptorType
2 bString
Size
(Bytes)
Contents
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).
1 Shows that this is a standard string descriptor.
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).
Value
Standard ROM code
product
003
004
Mask
ROM code
product
0x00
0x00
0x42
0x00
All 0
0x00
All 0
0x03
–
Remark Five kinds of standard string descriptors can be defined and these describe the following contents
using 32 UNICODE characters.
Index
1
2
3
4
5
Contents
Comment about manufacturer (Manufacture) that uses HUB
Comment about product (Product) that uses HUB
Serial number (SerialNumber) of product that uses HUB
Comment about configuration (Configuration) of product that uses HUB
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.
Data Sheet S13918EJ3V0DS
21
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