wm8940gefl-v Wolfson Microelectronics plc, wm8940gefl-v Datasheet - Page 16
wm8940gefl-v
Manufacturer Part Number
wm8940gefl-v
Description
Mono Codec With Speaker Driver
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8940GEFL-V.pdf
(87 pages)
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WM8940
w
CONTROL INTERFACE TIMING – 2-WIRE MODE
Test Conditions
DCVDD=1.8V, DBVDD=AVDD=SPKVDD=3.3V, DGND=AGND=SPKGND=0V, T
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
Figure 5 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
ps
9
1
2
3
4
5
6
7
8
9
t
2
t
7
t
5
A
= +25
600
600
600
100
600
1.3
MIN
0
0
o
C, Slave Mode, fs = 48kHz, MCLK =
t
4
t
3
TYP
PD, Rev 4.2, April 2008
526
300
300
900
MAX
5
Production Data
t
8
kHz
UNIT
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
16
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