参数资料
型号: ADM00419
厂商: Microchip Technology
文件页数: 55/82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
2011 Microchip Technology Inc.
DS22288A-page 59
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
3.6.1.1
Responses
FIGURE 3-26:
GET MCP2210 STATUS LOGIC FLOW
TABLE 3-69:
COMMAND STRUCTURE
Byte Index
Meaning
0
0x10 – Get MCP2210 Status – command code
1
0x00 – Reserved
2
0x00 – Reserved
3-63
0x00 – Reserved
TABLE 3-70:
RESPONSE 1 STRUCTURE
Byte
Index
Meaning
0
0x10 – Get MCP2210 Status – echos back the given command code
1
0x00 – Command Completed Successfully
2
SPI Bus Release External Request Status
0x01 – No External Request for SPI Bus Release
0x00 – Pending External Request for SPI Bus Release
3
SPI Bus Current Owner
0x00 – No Owner
0x01 – USB Bridge
0x02 – External Master
4
Attempted Password Accesses – informs the USB host on how many times the NVRAM password
was tried
5
Password Guessed
0x00 – Password Not Guessed
0x01 – Password Guessed
6-63
Don’t Care
Get MCP2210
Status
Response 1
MCP2210 Status
Information
Retrieved
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