WM9081 Datasheet, PDF (15/103 Pages) Cirrus Logic – Mono DAC with 2.6W Class AB/D Speaker Driver, Dynamic Range Controller and ReTune™ Mobile Parametric Equalizer

WM9081
CONTROL INTERFACE TIMING – 2-WIRE MODE
2-wire mode is selected by connecting the SWMODE pin high and connecting the SCIM_CHANNEL pin low.
SCLK
(input)
SDIN
START
t4
t3
t2
t1
t7
t6
STOP
t8
t5
t9
Figure 4 Control Interface Timing – 2-Wire Serial Control Mode
Test Conditions
DCVDD=DBVDD=1.8V, AVDD= 3.3V, SPKVDD=5V, DGND=AGND= SPKGND=0V, T_A=+25^oC, Slave Mode, fs=48kHz, MCLK =
256fs, 24-bit data, unless 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
SYMBOL
t₁
t₂
t₃
t₄
t₅
t₆
t₇
t₈
t₉
t_ps
MIN
TYP
MAX
UNIT
526
kHz
1.3
us
600
ns
600
ns
600
ns
100
ns
300
ns
300
ns
600
ns
900
ns
0
5
ns
Rev 4.0
15