wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 35

• Manufacturer Part Number: wm8400
• Description: Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
• Manufacturer: Wolfson Microelectronics plc

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Pre-Production
CONTROL INTERFACE TIMING – 2-WIRE MODE
Figure 6 Control Interface Timing – 2-Wire Serial Control Mode
Test Conditions
DCVDD=1.8V, HBVDD=MBVDD=I2CVDD=I2S1VDD=I2S2VDD=AVDD=3.0V, SPKVDD=5V,
GND=AGND=HPGND=SPKGND=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
SCLK
SDIN
PARAMETER
t
3
t
1
t
6
2-wire mode is selected by connecting the MODE pin low.
t
9
A
t
2
=+25
t
7
o
C, Slave Mode, fs=48kHz, MCLK = 256fs, 24-bit data, unless otherwise stated.
t
5
SYMBOL
t
4
t
t
3
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
1.3
0
t
8
TYP
PP, April 2009, Rev 3.0
MAX
526
300
300
900
5
WM8400
UNIT
kHz
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
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