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MCP2210T-I-SO 参数 Datasheet PDF下载

MCP2210T-I-SO图片预览
型号: MCP2210T-I-SO
PDF下载: 下载PDF文件 查看货源
内容描述: USB至SPI协议转换器, GPIO (主模式) [USB-to-SPI Protocol Converter with GPIO (Master Mode)]
分类和应用: 转换器
文件页数/大小: 82 页 / 1224 K
品牌: MICROCHIP [ MICROCHIP ]
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MCP2210  
3.6  
Chip Status  
The chip status command is used to retrieve status information regarding the state of the SPI transfer engine.  
3.6.1  
GET MCP2210 STATUS  
TABLE 3-69: COMMAND STRUCTURE  
Byte Index  
Meaning  
0
1
0x10 – Get MCP2210 Status – command code  
0x00 – Reserved  
0x00 – Reserved  
0x00 – Reserved  
2
3-63  
3.6.1.1  
Responses  
TABLE 3-70: RESPONSE 1 STRUCTURE  
Byte  
Index  
Meaning  
0
1
2
0x10 – Get MCP2210 Status – echos back the given command code  
0x00 – Command Completed Successfully  
SPI Bus Release External Request Status  
• 0x01 – No External Request for SPI Bus Release  
• 0x00 – Pending External Request for SPI Bus Release  
SPI Bus Current Owner  
3
• 0x00 – No Owner  
• 0x01 – USB Bridge  
• 0x02 – External Master  
4
5
Attempted Password Accesses – informs the USB host on how many times the NVRAM password  
was tried  
Password Guessed  
• 0x00 – Password Not Guessed  
• 0x01 – Password Guessed  
Don’t Care  
6-63  
FIGURE 3-26:  
GET MCP2210 STATUS LOGIC FLOW  
Get MCP2210  
Status  
Response 1  
MCP2210 Status  
Information  
Retrieved  
2011 Microchip Technology Inc.  
DS22288A-page 59