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WM8741
CONTROL INTERFACE TIMING – 3-WIRE MODE
Figure 5 Control Interface Timing - 3-Wire Serial Control Mode
Test Conditions
DVDD = 3.3V, GND = 0V, TA = +25oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SCLK rising edge to LATCH
rising edge
tSCS
40
ns
SCLK pulse cycle time
SCLK pulse width low
tSCY
tSCL
tSCH
tDSU
tDHO
tCSL
tCSH
tCSS
80
32
32
20
20
20
20
20
ns
ns
ns
ns
ns
ns
ns
ns
SCLK pulse width high
SDIN to SCLK set-up time
SCLK to SDIN hold time
LATCH pulse width low
LATCH pulse width high
LATCH rising to SCLK rising
Table 4 Control Interface Timing – 3-Wire Serial Control Mode
PP Rev 1.3 October 2007
15
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
