MCP2210 datasheet(37/82 Pages) MICROCHIP

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 2011 Microchip Technology Inc.

DS22288A-page 37

MCP2210

3.2.2.1

Responses

Delay Between Subsequent Data Bytes (quanta of 100 µs) – 16-bit value (low byte)

Example: If a 500 µs delay between two consecutive data bytes is required, the value will be 0x0005.

- This byte position will have a value of: 0x05

Delay Between Subsequent Data Bytes (quanta of 100 µs) – 16-bit value (high byte)

Example: If a 500 µs delay between two consecutive data bytes is required, the value will be 0x0005.

- This byte position will have a value of: 0x00

Bytes to Transfer per SPI Transaction – 16-bit value (low byte)

Example: If an SPI transaction of 1250 bytes long is required, the corresponding hex value

will be 0x04E2.

- This byte position will have a value of: 0xE2

Bytes to Transfer per SPI Transaction – 16-bit value (high byte)

Example: If an SPI transaction of 1250 bytes long is required, the corresponding hex value

will be 0x04E2.

- This byte position will have a value of: 0x04

SPI Mode

• 0x00 – SPI mode 0

• 0x01 – SPI mode 1

• 0x02 – SPI mode 2

• 0x03 – SPI mode 3

21-63

Don’t care

TABLE 3-35:

COMMAND 1 STRUCTURE (CONTINUED)

Byte

Index

Meaning

TABLE 3-36:

RESPONSE 1 STRUCTURE

Byte

Index

Meaning

0x40 – Echoes back the completed command for Set (VM) SPI Transfer Settings code

10x00 – Command Completed Successfully

Don’t Care

Bit Rate (Byte 3) – 32-bit value (Byte 0, Byte 1, Byte 2, Byte 3)

Example: Bit rate = 12,000,000 bps = 00B7 1B00

- This byte position will have a value of = 0x00

Bit Rate (Byte 2) – 32-bit value (Byte 0, Byte 1, Byte 2, Byte 3)

Example: Bit rate = 12,000,000 bps = 00B7 1B00

- This byte position will have a value of = 0x1B

Bit Rate (Byte 1) – 32-bit value (Byte 0, Byte 1, Byte 2, Byte 3)

Example: Bit rate = 12,000,000 bps = 00B7 1B00

- This byte position will have a value of = 0xB7

Bit Rate (Byte 0) – 32-bit value (Byte 0, Byte 1, Byte 2, Byte 3)

Example: Bit rate = 12,000,000 bps = 00B7 1B00

- This byte position will have a value of = 0x00

Idle Chip Select Value – 16-bit value (low byte):

• MSB

–

LSB

CS7 CS6 CS5 CS4 CS3 CS2 CS1 CS0

Idle Chip Select Value – 16-bit value (high byte):

• MSB

–

LSB

CS8

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