wm8987 Wolfson Microelectronics plc, wm8987 Datasheet - Page 15
wm8987
Manufacturer Part Number
wm8987
Description
Stereo Codec For Portable Audio Applications
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8987.pdf
(59 pages)
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Part Number
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Quantity
Price
Part Number:
wm8987G
Manufacturer:
WOLFSON
Quantity:
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Production Data
w
CONTROL INTERFACE TIMING – 2-WIRE MODE
Test Conditions
DCVDD = 1.42V, DBVDD = 3.3V, DGND = 0V, T
otherwise stated.
PARAMETER
Program Register Input Information
SCLK Frequency
SCLK Low Pulse-Width
SCLK High Pulse-Width
Hold Time (Start Condition)
Setup Time (Start Condition)
Data Setup Time
SDIN, SCLK Rise Time
SDIN, SCLK Fall Time
Setup Time (Stop Condition)
Data Hold Time
Pulse width of spikes that will be suppressed
Figure 5 Control Interface Timing – 2-Wire Serial Control Mode
SCLK
SDIN
t
3
A
t
= +25
1
t
6
o
C, Slave Mode, fs = 48kHz, MCLK = 256fs, 24-bit data, unless
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
ps
9
1
2
3
4
5
6
7
8
9
t
2
t
7
t
5
MIN
600
600
600
100
600
1.3
0
0
t
4
t
3
TYP
PD Rev 4.0 August 2008
MAX
526
300
300
900
5
WM8987L
t
8
UNIT
kHz
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
15
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