WM8804 Ver la hoja de datos (PDF) - Wolfson Microelectronics plc
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WM8804 Datasheet PDF : 66 Pages
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WM8804
CONTROL INTERFACE – 2-WIRE MODE
SDIN
SCLK
t STHO
tDSU
t STHO
t STSU
tSCY
t DH
Production Data
t STOP
Figure 5 Control Interface Timing – 2-Wire Serial Control Mode
Test Conditions
PVDD = 3.3V, DVDD = 3.3V, PGND = 0V, DGND = 0V, TA = +25oC, fs = 48kHz, MCLK = 256fs unless stated.
PARAMETER
SYMBOL
MIN
TYP
MAX
Program Register Input Information
SCLK cycle time
tSCY
2500
SCLK duty cycle
40/60
60/40
SCLK frequency
400
Hold Time (Start Condition)
tSTHO
600
Setup Time (Start Condition)
tSTSU
600
Data Setup Time
tDSU
100
SDIN, SCLK Rise Time
300
SDIN, SCLK Fall Time
300
Setup Time (Stop Condition)
tSTOP
600
Data Hold Time
tDH
900
SCLK glitch suppression
tps
2
8
Table 5 Control Interface Timing – 2-Wire Serial Control Mode
UNIT
ns
%
kHz
ns
ns
ns
ns
ns
ns
ns
ns
w
PD Rev 4.1 September 2007
10
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