MCP2210
3.5.2
CANCEL THE CURRENT SPI TRANSFER
TABLE 3-64: COMMAND STRUCTURE
Byte Index
Meaning
0
1
0x11 – CANCEL the current SPI transfer – command code
0x00 – Reserved
0x00 – Reserved
0x00 – Reserved
2
3-63
3.5.2.1
Responses
TABLE 3-65: RESPONSE 1 STRUCTURE
Byte
Index
Meaning
0
1
2
0x11 – CANCEL the current SPI transfer – 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 3-24:
CANCEL THE CURRENT SPI TRANSFER LOGIC FLOW
Cancel Current
SPI Transfer
Response 1
SPI Transfer
Cancelled
DS22288A-page 56
2011 Microchip Technology Inc.