WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 29
WM8959
Manufacturer Part Number
WM8959
Description
Mobile Multimedia DAC with Dual-mode Class AB/D Speaker Driver
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8959.pdf
(155 pages)
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CONTROL INTERFACE TIMING – 2-WIRE MODE
Test Conditions
DCVDD=1.8V, DBVDD=AVDD=HPVDD=SPKVDD=3.3V, DGND=AGND=HPGND=SPKGND=0V, T
fs=48kHz, MCLK = 256fs, 24-bit data, unless otherwise stated.
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
PARAMETER
2-wire mode is selected by connecting the MODE pin low.
Figure 7 Control Interface Timing – 2-Wire Serial Control Mode
SCLK
SDIN
t
3
t
1
t
6
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
9
ps
1
2
3
4
5
6
7
8
9
t
2
t
7
t
5
MIN
600
600
600
100
600
1.3
0
t
4
t
3
TYP
A
=+25
o
PP, May 2008, Rev 3.1
C, Slave Mode,
MAX
526
300
300
900
5
WM8959
t
8
UNIT
kHz
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
29
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