Production Data
WM8741
CONTROL INTERFACE TIMING – 2-WIRE MODE
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
0
TYP
MAX
UNIT
MHz
ns
SCLK Frequency
5
SCLK Low Pulse-Width
SCLK High Pulse-Width
Hold Time (Start Condition)
Setup Time (Start Condition)
Data Setup Time
tSCL
tSCH
tHOL
tCSE
tDSU
tRIS
80
80
us
600
600
100
ns
ns
ns
SDIN, SCLK Rise Time
SDIN, SCLK Fall Time
Setup Time (Stop Condition)
300
300
ns
tFAL
tCSS
tDHO
tPS
ns
600
4
ns
Data Hold Time
900
6
ns
ns
Max Pulse width of spikes that will be suppressed
Table 5 Control Interface Timing – 2-wire Serial Control Mode
PD, Rev 4.2, October 2009
15
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
