Cavli Wireless C100QM/C10QM Hardware Manual
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connected to the CODEC. The existing I2S supports the Nuvoton NAU8810 by default.
Table 3-21 I2S pin definition
NO.
Signal
name
I/
O
description
paramete
r
Level value (V)
remarks
min
Typica
l
max
37
I2S_D1
I0
I2S serial
data
VOH
1.35
1.8
2
VOL
0
0.45
VIH
1.2
1.8
2
VIL
-0.3
0.6
38
I2S_WS
IO
I2S
command
selection
VOH
1.35
1.8
2
VOL
0
0.45
VIH
1.2
1.8
2
VIL
-0.3
0.6
39
I2S_DO
IO
I2S serial
data
VOH
1.35
1.8
2
VOL
0
0.45
VIH
1.2
1.8
2
VIL
-0.3
0.6
40
I2S_CLK IO I2S clock
VOH
1.35
1.8
2
VOL
0
0.45
VIH
1.2
1.8
2
VIL
-0.3
0.6