參數(shù)資料
型號: MCP2210T-I/MQ
廠商: Microchip Technology
文件頁數(shù): 24/82頁
文件大?。?/td> 0K
描述: IC CONVERTER USB-PCI 20-QFN
產(chǎn)品培訓(xùn)模塊: MCP2210 Evaluation Kit
標(biāo)準(zhǔn)包裝: 3,300
應(yīng)用: 帶 GPIO 的 USB 至 SPI 連接器
接口: SPI,USB
電源電壓: 3.3 V ~ 5.5 V
封裝/外殼: 20-VQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-QFN(5x5)
包裝: 帶卷 (TR)
安裝類型: 表面貼裝
MCP2210
DS22288A-page 30
2011 Microchip Technology Inc.
3.1.9
GET USB MANUFACTURER NAME
3.1.9.1
Responses
FIGURE 3-9:
GET USB MANUFACTURER NAME LOGIC FLOW
TABLE 3-23:
COMMAND STRUCTURE
Byte
Index
Meaning
00x61 – Get NVRAM Settings – command code
10x50 – Get USB Manufacturer Name – sub-command code
20x00 – Reserved
3-63
0x00 – Reserved
TABLE 3-24:
RESPONSE 1 STRUCTURE
Byte
Index
Meaning
0
0x61 – Get NVRAM Settings – echos back the given command code
1
0x00 – Command Completed Successfully
2
0x50 – Sub-command Echoed Back for Get USB Manufacturer Name code
3
Don’t Care
4
Total USB String Descriptor Length (this is the length of the Manufacturer string multiplied by 2 + 2)
Example: “Microchip Technology Inc.” has 25 Unicode characters.
- The retrieved value is: (25 x 2) + 2 = 52 (decimal) = 0x34
5
USB String Descriptor ID – always 0x03
6
Unicode Character Low Byte
Example: For the “Microchip Technology Inc.” Unicode string, there will be the low byte of the Unicode
for character “M”.
- This byte index will have a value of 0x4D
7
Unicode Character High Byte
Example: For the “Microchip Technology Inc.” Unicode string, there will be the high byte of the
Unicode for character “M”.
- This byte index will have a value of 0x00
8-63
Remaining Unicode Characters
Get NVRAM USB
Manufacturer Name
Response 1
NVRAM USB
Manufacturer
Name Retrieved
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