wm8961 Wolfson Microelectronics plc, wm8961 Datasheet - Page 16
wm8961
Manufacturer Part Number
wm8961
Description
Ultra-low Power Stereo Codec With 1w Stereo Class D Speaker Drivers And Ground Referenced Headphone Drivers
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8961.pdf
(116 pages)
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CONTROL INTERFACE TIMING
w
WM8961
The WM8961 is controlled via a 2-wire serial control interface.
Figure 4 2-Wire Serial Control Interface Timing
Note:
Device Address = 0x94.
Test Conditions
MICVDD=2.5V, DVDD = CPVDD=AVDD =1.8V SPKVDD1 = SPKVDD2 = 5V,
DGND=AGND=CPGND=SPKGND1=SPKGND2=0V,
T
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
A
=+25
SCLK
SDIN
o
C, Slave Mode, fs=48kHz, MCLK = 256fs, 24-bit data, unless otherwise stated.
PARAMETER
t
3
t
1
t
6
t
9
t
2
t
7
t
SYMBOL
5
t
t
t
t
t
t
t
t
t
t
ps
1
2
3
4
5
6
7
8
9
t
4
t
3
600
600
600
100
600
MIN
1.3
0
TYP
PP, August 2009, Rev 3.1
MAX
526
300
300
900
5
Pre-Production
t
8
UNIT
kHz
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
16
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