MCP2210 datasheet(49/82 Pages) MICROCHIP

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 2011 Microchip Technology Inc.

DS22288A-page 49

MCP2210

3.2.8

SET GPIO CURRENT PIN VALUE

3.2.8.1

Responses

FIGURE 3-19:

SET GPIO CURRENT PIN VALUE LOGIC FLOW

TABLE 3-48:

COMMAND STRUCTURE

Byte

Index

Meaning

00x30 – Set (VM) GPIO Current Pin Value

10x00 – Reserved

20x00 – Reserved

30x00 – Reserved

GPIO Pin Value – 16-bit value (low byte):

• MSB

–

LSB

GP7VAL GP6VAL GP5VAL GP4VAL GP3VAL GP2VAL GP1VAL GP0VAL

GPIO Pin Value – 16-bit value (high byte):

• MSB

–

LSB

GP8VAL

6-63

0x00 – Reserved

Note 1:

The GPIO pin value will have an effect only on those GPs previously configured as GPIOs.

TABLE 3-49:

RESPONSE 1 STRUCTURE

Byte

Index

Meaning

0x30 – Set (VM) GPIO Current Pin Value – echos back the given command code

10x00 - Command Completed Successfully

Don’t Care

Read Back Actual GPIO Pin Value – 16-bit value (low byte):

• MSB

–

LSB

GP7VAL GP6VAL GP5VAL GP4VAL GP3VAL GP2VAL GP1VAL GP0VAL

Read Back Actual GPIO Pin Value – 16-bit value (high byte):

• MSB

–

LSB

GP8VAL

6-63

Don’t Care

Set RAM GPIO

Output Value

Response 1

RAM GPIO

Output Value

Written

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