WM8741(2009) Просмотр технического описания (PDF) - Wolfson Microelectronics plc
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WM8741 Datasheet PDF : 64 Pages
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Production Data
CONTROL INTERFACE TIMING – 2-WIRE MODE
WM8741
Figure 6 Control Interface Timing - 2-Wire Serial Control Mode
Test Conditions
DVDD = 3.3V, DGND = 0V, TA = +25oC, Slave Mode, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
SYMBOL
MIN
TYP
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)
0
tSCL
80
tSCH
80
tHOL
600
tCSE
600
tDSU
100
tRIS
tFAL
tCSS
600
Data Hold Time
tDHO
Max Pulse width of spikes that will be suppressed
tPS
4
Table 5 Control Interface Timing – 2-wire Serial Control Mode
MAX
5
300
300
900
6
UNIT
MHz
ns
us
ns
ns
ns
ns
ns
ns
ns
ns
w
PD, Rev 4.2, October 2009
15
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