CMI8788_17 Datasheet, PDF (15/25 Pages) C&K Components – High Performance PCI Audio Processor

Oxygen^TMHD CMI8788
High Performance PCI Audio Processor
6.5 AC Timing Characteristics
6.5.1 I2S Signal Timing
a. System Clock Timing
System Clock Timing Diagram
Test Conditions
DVDD = 3.3V, DGND =0V, TA=+25oC, fs=96 KHz, MCLK=512fs, 24 bit data, unless otherwise stated
System Clock Timing Parameters
Parameter
Symbol
Min
Typ
Max
MCLK clock cycle time
tmclk
20
-
-
MCLK pulse width high
MCLK pulse width high
MCLK duty cycle
tmclkh
tmclkl
10
-
-
10
-
-
40
50
60
Units
ns
ns
ns
%
b. Audio Interface Timing
Audio Interface Timing Diagram
Test Conditions
DVDD = 3.3V, DGND =0V, TA=+25^oC, fs=96 KHz, MCLK=512fs, 24 bit data, unless otherwise stated
Audio Interface Timing Parameters
Parameter
Symbol Min Typ
Max
LRCK propagation delay from BCLK falling edge
Tdl
5
-
-
SDOUT propagation delay from BCLK falling edge Tdd
5
-
-
Units
ns
ns
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