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WM8778 Datasheet(PDF) 12 Page - Wolfson Microelectronics plc

Part # WM8778
Description  24 BIT 192KHZ STEREO CODEC
PDF  50 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8778 Datasheet(HTML) 12 Page - Wolfson Microelectronics plc

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PP Rev 1.7 June 2004
12
CONTROL INTERFACE TIMING – 2-WIRE MODE
t
3
t
1
t
6
t
9
t
2
t
5
t
7
t
3
t
4
t
8
DI
CL
Figure 7 Control Interface Timing – 2-Wire Serial Control Mode (MODE=0)
Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND, DGND = 0V, TA = +25
oC, fs = 48kHz, MCLK = 256fs unless otherwise stated
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Program Register Input Information
CL Frequency
0
400
kHz
CL Low Pulse-Width
t1
600
ns
CL High Pulse-Width
t2
1.3
us
Hold Time (Start Condition)
t3
600
ns
Setup Time (Start Condition)
t4
600
ns
Data Setup Time
t5
100
ns
DI, CL Rise Time
t6
300
ns
DI, CL Fall Time
t7
300
ns
Setup Time (Stop Condition)
t8
600
ns
Data Hold Time
t9
900
ns
Pulse width of spikes that will be suppressed
tps
0
5
ns
Table 5 2-wire Control Interface Timing Information



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