wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 15

• Manufacturer Part Number: wm9081
• Description: Mono Dac With 2.6w Class Ab/d Speaker Driver, Dynamic Range Controller And Retune Mobile Parametric Equalizer
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
CONTROL INTERFACE TIMING – 3-WIRE MODE
Figure 5 Control Interface Timing – 3-Wire Serial Control Mode (Write Cycle)
Figure 6 Control Interface Timing – 3-Wire Serial Control Mode (Read Cycle)
w
Test Conditions
DCVDD=DBVDD=1.8V, AVDD= 3.3V, SPKVDD=5V, DGND=AGND= SPKGND=0V, T
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
3-wire mode is selected by connecting the SWMODE pin high and connecting the SCIM_CHANNEL pin high.
PARAMETER
SYMBOL
t
t
t
t
t
t
t
t
t
t
ps
1
2
3
4
5
6
7
8
9
MIN
600
600
600
100
600
A
1.3
=+25
0
o
C, Slave Mode, fs=48kHz, MCLK =
TYP
PP, Rev 3.0, April 2009
MAX
526
300
300
900
5
WM9081
UNIT
kHz
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
15