MCP2210 MICROCHIP [Microchip Technology], MCP2210 Datasheet - Page 59

• Manufacturer Part Number: MCP2210
• Description: USB-to-SPI Protocol Converter with GPIO (Master Mode)
• Manufacturer: MICROCHIP [Microchip Technology]

3.6
The chip status command is used to retrieve status information regarding the state of the SPI transfer engine.
3.6.1
TABLE 3-69:
3.6.1.1
TABLE 3-70:
FIGURE 3-26:
 2011 Microchip Technology Inc.
Byte Index
Index
Byte
6-63
0
1
2
3
4
5
3-63
0
1
2
Chip Status
GET MCP2210 STATUS
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
• 0x00 – No Owner
• 0x01 – USB Bridge
• 0x02 – External Master
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
Responses
0x10 – Get MCP2210 Status – command code
0x00 – Reserved
0x00 – Reserved
0x00 – Reserved
COMMAND STRUCTURE
RESPONSE 1 STRUCTURE
GET MCP2210 STATUS LOGIC FLOW
MCP2210 Status
Get MCP2210
Response 1
Information
Retrieved
Status
Meaning
Meaning
MCP2210
DS22288A-page 59