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WM8974 датащи(PDF) 12 Page - Wolfson Microelectronics plc

номер детали WM8974
подробное описание детали  MONO CODEC WITH SPEAKER DRIVER
PDF  63 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8974 датащи(HTML) 12 Page - Wolfson Microelectronics plc

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WM8974
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PP Rev 1.1 September 2004
12
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=1.62V, DBVDD=AVDD=SPKRVDD=3.3V, DGND=AGND=SPKRGND=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
0
5
ns



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