MCP2210 datasheet(56/82 Pages) MICROCHIP

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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

00x11 – CANCEL the current SPI transfer – command code

0x00 – Reserved

3-63

0x00 – Reserved

TABLE 3-65:

RESPONSE 1 STRUCTURE

Byte

Index

Meaning

00x11 – 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

• 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

6-63

Don’t Care

Cancel Current

SPI Transfer

Response 1

SPI Transfer

Cancelled

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