MCP2210 datasheet(13/82 Pages) MICROCHIP

13 / 82 page

 2011 Microchip Technology Inc.

DS22288A-page 13

MCP2210

3.1.1.1

Responses

Other Chip Settings – Enable/Disable Wake-up, Interrupt Counting, SPI Bus Release Options

• Bit 7 – Don’t Care

• Bit 6 – Don’t Care

• Bit 5 – Don’t Care

• Bit 4 – Remote Wake-up Enabled/Disabled

- 0 – Remote Wake-up Disabled

- 1 – Remote Wake-up Enabled

• Bit 3 – Dedicated Function – Interrupt Pin mode

• Bit 2 – Dedicated Function – Interrupt Pin mode

• Bit 1 – Dedicated Function – Interrupt Pin mode

- b111 – Reserved

- b110 – Reserved

- b101 – Reserved

- b100 – Count High Pulses

- b011 – Count Low Pulses

- b010 – Count Rising Edges

- b001 – Count Falling Edges

- b000 – No Interrupt Counting

• Bit 0 – SPI Bus Release Enable

- 0 = SPI Bus is Released Between Transfer

- 1 = SPI Bus is Not Released by the MCP2210 between transfers

NVRAM Chip Parameters Access Control

• 0x00 – Chip settings not protected

• 0x40 – Chip settings protected by password access

• 0x80 – Chip settings permanently locked

New Password Character 0 (Note 1)

New Password Character 1 (Note 1)

New Password Character 2 (Note 1)

New Password Character 3 (Note 1)

New Password Character 4 (Note 1)

New Password Character 5 (Note 1)

New Password Character 6 (Note 1)

New Password Character 7 (Note 1)

27-63

Reserved (fill with 0x00)

Note 1:

When the password does not need to change, this field must be filled with 0 (it applies to (byte index 19 to 26).

TABLE 3-2:

RESPONSE 1 STRUCTURE

Byte

Index

Meaning

00x60 – Set Chip NVRAM Parameters – echos back the given command code

10xFB – Blocked Access – The provided password is not matching the one stored in the chip, or the

settings are permanently locked.

2-63

Don’t Care

TABLE 3-1:

COMMAND STRUCTURE (CONTINUED)

Byte Index

Meaning

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