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Cs5374, Spi mode 0 transaction details – Cirrus Logic CS5374 User Manual

Page 22

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CS5374

CS5374

22

SCLK

SDI

Figure 16. CS5374 (Slave) Serial Transactions with CS5376A (Master)

CS

SDO

Cycle

SDI

0x02

ADDR

DATA

SDO

SDI

SDO

CS5374 SPI Write from CS5376A SPI2

CS5374 SPI Read from CS5376A SPI2

CS

CS

0x03

ADDR

DATA

Instruction

Opcode

Address

Definition

Write

0x02

ADDR[7:0]

Write SPI register specified by the address in ADDR.

Read

0x03

ADDR[7:0]

Read SPI register specified by the address in ADDR.

MSB

LSB

X

6

1

2

3

4

5

MSB

LSB

6

1

2

3

4

5

1

8

2

7

6

5

4

3

SPI Mode 0 Transaction Details

SPI2CMD[15:8]

SPI2CMD[7:0]

SPI2DAT[23:16]

SPI2CMD[15:8]

SPI2CMD[7:0]

SPI2DAT[23:16]