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WM8955LEFL Fiches technique(PDF) 13 Page - Wolfson Microelectronics plc

No de pièce WM8955LEFL
Description  STEREO DAC FOR PORTABLE AUDIO APPLICATIONS
PDF  43 Pages
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Fabricant  WOLFSON [Wolfson Microelectronics plc]
Site Internet  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8955LEFL Fiches technique(HTML) 13 Page - Wolfson Microelectronics plc

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Product Preview
WM8955L
w
Product Preview Rev 0.4 May2003
13
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
DBVDD = 3.3V, DGND = 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
400
kHz
SCLK Low Pulse-Width
t1
600
ns
SCLK High Pulse-Width
t2
1.3
us
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
05
ns



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