wm8974gefl-v Wolfson Microelectronics plc, wm8974gefl-v Datasheet - Page 11

• Manufacturer Part Number: wm8974gefl-v
• Description: Mono Codec With Speaker Driver
• Manufacturer: Wolfson Microelectronics plc

Production Data
w
CONTROL INTERFACE TIMING – 3-WIRE MODE
Test Conditions
DCVDD = 1.8V, DBVDD = AVDD = SPKVDD = 3.3V, DGND = AGND = SPKGND = 0V, T
MCLK = 256fs, 24-bit data, unless otherwise stated.
PARAMETER
Program Register Input Information
SCLK rising edge to CSB rising edge
SCLK pulse cycle time
SCLK pulse width low
SCLK pulse width high
SDIN to SCLK set-up time
SCLK to SDIN hold time
CSB pulse width low
CSB pulse width high
CSB rising to SCLK rising
Pulse width of spikes that will be suppressed
Figure 4 Control Interface Timing – 3-Wire Serial Control Mode
SYMBOL
t
t
t
t
t
t
t
t
t
DHO
SCS
SCY
SCL
SCH
DSU
CSL
CSH
CSS
t
ps
200
80
80
80
40
40
40
40
40
MIN
0
A
= +25
TYP
PD, Rev 4.5, September 2008
o
C, Slave Mode, fs = 48kHz,
MAX
5
WM8974
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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