Cirrus Logic CS42428 - Manual (Page 15)

DS605F2 15
CS42428
DIGITAL INTERFACE CHARACTERISTICS
(T
A
= +25° C)
Notes:
26. Serial Port signals include: RMCK, OMCK, ADC_SCLK, ADC_LRCK, DAC_SCLK, DAC_LRCK, AD-
C_SDOUT, DAC_SDIN1-4, AD-
CIN1/2 Control
Port signals include: SCL/CCLK, SDA/CDOUT, AD0/CS, AD1/CDIN, INT, RST
27. When operating RMCK above 24.576 MHz, limit the loading on the signal to 1 CMOS load.
Parameters (Note 26) Symbol Min Typ Max Units
High-Level Input Voltage Serial Port
Control Port
V
IH
0.7xVLS
0.7xVLC -
- -
- V
V
Low-Level Input Voltage Serial Port
Control Port
V
IL
-
- -
- 0.2xVLS
0.2xVLC V
V
High-Level Output Voltage at I
o
=2 mA (Note 27) Serial Port
Control Port
MUTEC, GPOx
V
OH
VLS-1.0
VLC-1.0
VA-1.0
-
-
- -
-
- V
V
V
Low-Level Output Voltage at I
o
=2 mA (Note 27)
Serial Port, Control Port, MUTEC, GPOx
V
OL
- - 0.4 V
High-Level Output Voltage at I
o
=100 A (Note 27) Serial Port
Control Port
MUTEC, GPOx
V
OH
0.8xVLS
0.8xVLC
0.8xVA
-
-
- -
-
- V
V
V
Low-Level Output Voltage at I
o
=100 A (Note 27) Serial Port
Control Port
MUTEC, GPOx
V
OL
-
-
- -
-
- 0.2xVLS
0.2xVLC
0.2xVA
V
V
V
Input Leakage Current I
in
- - ±10 A
Input Capacitance - 8 - pF
MUTEC Drive Current - 3 - mA