CM8888 Datasheet, PDF (19/25 Pages) California Micro Devices Corp – CMOS INTEGRATED DTMF TRANCEIVER

Oxygen^TM Express-series CM8888
High-Performance PCI Express Audio Processor
Control Interface Timing - 2–Wire Mode
Control Interface Timing - 2-Wire Diagram
Test Conditions: DVCC = 3.3V, DGND =0V, TA=+25^oC, 2-wire, fast-speed mode, unless otherwise stated
Control Interface Timing - 2-Wire Parameters
Parameter
XMSCL frequency
XMSCL pulse width low
XMSCL pulse width high
Hold time (start condition)
Set-up time (start condition)
Data set-up time
XMSDI,XMSCL rise time
XMSDI,XMSCL fall time
Set-up time (stop condition)
Data hold time
Note: test parameters at 2 wire, fast-speed mode
Symbol
t1
t2
t3
t4
t5
t6
t7
t8
t9
Min
Typ
400
-
650
-
1.3
-
650
-
650
-
650
-
100
-
100
-
650
-
650
-
Max
Units
-
KHz
-
ns
-
us
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
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