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WM8940CGEFL/V Datasheet(PDF) 18 Page - Cirrus Logic

Part # WM8940CGEFL/V
Description  Mono CODEC with Speaker Driver
PDF  88 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8940CGEFL/V Datasheet(HTML) 18 Page - Cirrus Logic

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WM8940
18
Rev 4.4
CONTROL INTERFACE TIMING – 2-WIRE MODE
SDIN
SCLK
t
3
t
1
t
6
t
2
t
7
t
5
t
4
t
3
t
8
t
9
Figure 5 Control Interface Timing
– 2-Wire Serial Control Mode
Test Conditions
DCVDD=1.8V, DBVDD=AVDD=SPKVDD=3.3V, DGND=AGND=SPKGND=0V, TA = +25
oC, Slave Mode, fs = 48kHz, MCLK =
256fs, 24-bit data, unless otherwise stated.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Program Register Input Information
SCLK Frequency
0
526
kHz
SCLK Low Pulse-Width
t1
1.3
us
SCLK High Pulse-Width
t2
600
ns
Hold Time (Start Condition)
t3
600
ns
Setup Time (Start Condition)
t4
600
ns
Data Setup Time
t5
100
ns
SDIN, SCLK Rise Time
t6
300
ns
SDIN, SCLK Fall Time
t7
300
ns
Setup Time (Stop Condition)
t8
600
ns
Data Hold Time
t9
900
ns
Pulse width of spikes that will be suppressed
tps
0
5
ns



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