CS4207 Datasheet, PDF (10/144 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

CS4207
1.2 Digital I/O Pin Characteristics
Input and output levels and associated power supply voltage are shown in the table below. Logic levels
should not exceed the corresponding power supply voltage.
Power
Supply
VL_HD
VA
VL_IF
Pin Name
SW/(HW)
RESET#
SDO
BITCLK
SDI (Note 1)
SYNC
SENSE_A
GPIO1/
DMIC_SDA2
GPIO2
GPIO3
SPDIF_IN
SPDIF_OUT
GPIO0/
DMIC_SDA1
DMIC_SCL
I/O
Input
Input
Input
Input/Output
Input
Input
Input/Output
Input/Output
Input/Output
Input
Output
Input/Output
Output
Driver
-
-
-
1.5 V - 3.3 V
-
-
3.3 V
3.3 V
3.3 V
-
3.3 V
3.3 V
3.3 V
Receiver
1.5 V - 3.3 V
1.5 V - 3.3 V
1.5 V - 3.3 V
1.5 V - 3.3 V
1.5 V - 3.3 V
3.3 V - 5.0 V
3.3 V
3.3 V
3.3 V
3.3 V
-
3.3 V
-
Notes:
1. SDI output functionality also requires the VA and VL_IF rails to be at nominal levels.
10
DS880F1