Figure 7. control port timing, spi mode, Figure 8. control port timing, i2c mode, Cs4397 – Cirrus Logic CS4397 User Manual
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CS4397
DS333F1
27
MAP
MSB
LSB
DATA
byte 1
byte n
R/W
MAP = Memory Address Pointer = 0
ADDRESS
CHIP
CDIN
CCLK
CS
0010000
Figure 7. Control Port Timing, SPI mode
SDA
SCL
001000
ADDR
AD0
R/W
Start
ACK
DATA
1-8
ACK
DATA
1-8
ACK
Stop
Note: If operation is a write, this byte contains the Memory Address Pointer, MAP.
Note 1
Figure 8. Control Port Timing, I
2
C Mode
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