MCP2210 datasheet(41/82 Pages) MICROCHIP

41 / 82 page

 2011 Microchip Technology Inc.

DS22288A-page 41

MCP2210

Default GPIO Output – 16-bit value (high byte):

• MSB

–

LSB

GP8

where x = Don’t Care

Default GPIO Direction – 16-bit value (low byte):

• MSB

–

LSB

GP7DIR GP6DIR GP5DIR GP4DIR GP3DIR GP2DIR GP1DIR GP0DIR

Default GPIO Direction – 16-bit value (high byte):

• MSB

–

LSB

GP8DIR

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

- 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

19-63

Don’t Care

TABLE 3-39:

RESPONSE 1 STRUCTURE (CONTINUED)

Byte

Index

Meaning

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