参数资料
型号: ADM00419
厂商: Microchip Technology
文件页数: 15/82页
文件大小: 0K
描述: BREAKOUT MODULE MCP2210
产品培训模块: MCP2210 Evaluation Kit
标准包装: 1
主要目的: 接口,USB 至 SPI
嵌入式:
已用 IC / 零件: MCP2210
主要属性: 全速(12Mbps)
次要属性: USB 供电
已供物品: 板,线缆
MCP2210
DS22288A-page 22
2011 Microchip Technology Inc.
3.1.5
SET USB PRODUCT NAME
3.1.5.1
Responses
TABLE 3-14:
COMMAND STRUCTURE
Byte
Index
Meaning
00x60 – Set Chip NVRAM Parameters – command code
10x40 – Set USB Product Name – sub-command code
20x00 – Reserved
30x00 – Reserved
4
Total USB String Descriptor Length (this is the length of the Product string multiplied by 2 + 2)
Example: “MCP2210 USB to SPI Master” has 25 Unicode characters.
- The value to be filled in is: (25 * 2) + 2 = 52 (decimal) = 0x34
5
USB String Descriptor ID – always fill with 0x03
6
Unicode Character Low Byte
Example: For the “MCP2210 USB to SPI Master” Unicode string, place here the low byte of the
Unicode for character “M”.
- Fill this index with 0x4D
7
Unicode Character High Byte
Example: For the “MCP2210 USB to SPI Master” Unicode string, place here the high byte of the
Unicode for character “M”.
- Fill this index with 0x00
8-63
Fill in the remaining Unicode characters in the string
TABLE 3-15:
RESPONSE 1 STRUCTURE
Byte
Index
Meaning
00x60 – Set Chip NVRAM Parameters – echos back the given command code
10xFB – Blocked Access – The provided password is not matching the one stored in the chip or the
settings are permanently locked.
2-63
Don’t Care
TABLE 3-16:
RESPONSE 2 STRUCTURE
Byte
Index
Meaning
00x60 – Set Chip NVRAM Parameters – echos back the given command code
10x00 – Command Completed Successfully – settings written
20x40 – Sub-command Echoed Back for Set USB Product Name code
3-63
Don’t Care
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