CMI8788 Datasheet, PDF (21/29 Pages) C-Media Electronics – High Performance PCI Audio Processor

C-Media High Performance PCI Audi o Controller
Oxygen^TMHD CMI8788 Datasheet v0 .6
4.5.3 CONTROL INTERFACE TIMING - 2 - WIRE MODE
Control Interface Timing -2- Wire Diagram
Test Conditions
DVDD = 3.3V, DGND =0V,TA=+25^o C,2 wire,Fast speed mode,unless otherwise stated
Control Interface Timing -2- Wire Parameters
Parameter
Symbol
Min
Typ
XMSCL frequency
400
-
XMSCL pulse width low
t1
650
-
XMSCL pulse width high
t2
1.3
-
Hold time (start condition)
t3
650
-
Set-up time (start condition)
t4
650
-
Data set-up time
t5
650
-
XMSDI,XMSCL rise time
t6
100
-
XMSDI,XMSCL fall time
t7
100
-
Set-up time (stop condition)
t8
650
-
Data hold time
t9
650
-
Note: test parameters at 2 wire ,Fast speed mode
Max Units
-
KHz
-
ns
-
us
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
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C-MEDIA CONFIDENTIAL