CS42438_06 Datasheet, PDF (8/62 Pages) Cirrus Logic – 108 dB, 192 kHz 6-in, 8-out TDM CODEC

CS42438
1.1 Digital I/O Pin Characteristics
Various pins on the CS42438 are powered from separate power supply rails. The logic level for each input
should adhere to the corresponding power rail and should not exceed the maximum ratings.
Power Pin Name I/O
Rail
SW/(HW)
Driver
Receiver
VLC
RST
Input
-
1.8 V - 5.0 V, CMOS
SCL/CCLK
(AIN5_MUX)
Input
-
1.8 V - 5.0 V, CMOS, with Hysteresis
SDA/CDOUT Input/
(AIN6_MUX) Output
1.8 V - 5.0 V, CMOS/Open Drain
1.8 V - 5.0 V, CMOS, with Hysteresis
AD0/CS
(MFREQ)
Input
-
1.8 V - 5.0 V, CMOS
AD1/CDIN
(ADC3_HPF) Input
-
1.8 V - 5.0 V, CMOS
VLS
MCLK
Input
LRCK
Input
SCLK
Input
ADC_SDOUT3 Input/
(ADC3_SINGLE) Output
DAC_SDIN Input
AUX_LRCK Output
AUX_SCLK Output
AUX_SDIN Input
-
-
-
1.8 V - 5.0 V, CMOS
-
1.8 V - 5.0 V, CMOS
1.8 V - 5.0 V, CMOS
-
Table 1. I/O Power Rails
1.8 V - 5.0 V, CMOS
1.8 V - 5.0 V, CMOS
1.8 V - 5.0 V, CMOS
-
1.8 V - 5.0 V, CMOS
-
-
1.8 V - 5.0 V, CMOS
8
DS646F1