wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 16

• 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

WM9081
CONTROL INTERFACE TIMING – 4-WIRE MODE
Figure 7 Control Interface Timing – 4-Wire Serial Control Mode (Write Cycle)
Figure 8 Control Interface Timing – 4-Wire Serial Control Mode (Read Cycle)
w
Test Conditions
DCVDD=DBVDD=1.8V, AVDD= 3.3V, SPKVDD=5V, DGND=AGND=SPKGND=0V, T
MCLK=256fs, 24-bit data, unless otherwise stated.
Program Register Input Information
CSB falling edge to SCLK rising edge
SCLK rising edge to CSB rising edge
SCLK pulse cycle time
SCLK pulse width low
SCLK pulse width high
SDIN to SCLK set-up time
SDIN to SCLK hold time
Pulse width of spikes that will be suppressed
SCLK falling edge to SDOUT transition
4-wire mode supports readback via SDOUT.
PARAMETER
SYMBOL
t
t
t
t
t
t
t
CSU
CHO
SCH
DSU
DHO
t
SCY
SCL
t
DL
ps
A
MIN
160
=+25
40
10
80
80
40
10
0
o
C, Slave Mode, fs=48kHz,
TYP
PP, Rev 3.0, April 2009
MAX
40
5
Pre-Production
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
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