Cirrus Logic CS5374 - Manual (Page 22)

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]