Cavli Wireless C16QS - I2 S Interface; I2 C Bus

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C16QS Hardware Manual
3.10 I2S Interface
C16QS module provides a set of I2S bus interface which is used for connecting digital audio devices.
Table 3-19 I2S pin definition
3.11 I2C Bus
The C16QS module provides a set of hardware bidirectional serial buses with an I2C interface of 1.8V level, a
5.0 Protocol interface, and a clock rate of 400 KHz.
Table 3-20 I2C pin definition
No
Signal name
I/O
Description
7
I2S_DOUT
DO
Data Output
6
I2S_DIN
DI
Data Input
5
I2S_LRCK
DI
Word Clock or Left/Right clock
4
I2S_MCLK
DI
Master Clock
63
I2S_BLK
DI
Bit Clock
Pin
No.
Signal name
I/O
Description
Parameter
Level value (V)
min
typical
max
40
I2C_SCL
DO
I2C bus clock
output
VOH
1.3
1.8
1.9
VOL
0
0.45
41
I2C_SDA
IO
I2C bus data
input and
output
VOH
1.3
1.8
1.9
VOL
0
0.45
VIH
1.3
1.8
1.9
VIL
-0.3
0.6