Microchip Technology ADM00419 Data Sheet
MCP2210
DS22288A-page 56
2011 Microchip Technology Inc.
3.5.2
CANCEL THE CURRENT SPI TRANSFER
3.5.2.1
Responses
FIGURE 3-24:
CANCEL THE CURRENT SPI TRANSFER LOGIC FLOW
TABLE 3-64:
COMMAND STRUCTURE
Byte Index
Meaning
0
0x11 – CANCEL the current SPI transfer – command code
1
0x00 – Reserved
2
0x00 – Reserved
3-63
0x00 – Reserved
TABLE 3-65:
RESPONSE 1 STRUCTURE
Byte
Index
Meaning
0
0x11 – CANCEL the current SPI transfer – 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
• 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
• 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
was tried
5
Password Guessed
• 0x00 – Password Not Guessed
• 0x01 – Password Guessed
• 0x00 – Password Not Guessed
• 0x01 – Password Guessed
6-63
Don’t Care
Cancel Current
SPI Transfer
Response 1
SPI Transfer
Cancelled