WM8985_07 WOLFSON [Wolfson Microelectronics plc], WM8985_07 Datasheet - Page 20

• Manufacturer Part Number: WM8985_07
• Description: Multimedia CODEC With Class D Headphone and Line Out
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8985
CONTROL INTERFACE TIMING – 2-WIRE MODE
w
Test Conditions
DCVDD=1.8V,
MCLK = 256fs, 24-bit data, unless otherwise stated.
PARAMETER
Program Register Input Information
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)
Data Hold Time
Pulse width of spikes that will be suppressed
DBVDD=AVDD1=AVDD2=3.3V,
2-wire mode is selected by connecting the MODE pin low.
Figure 6 Control Interface Timing – 2-Wire Serial Control Mode
SCLK
SDIN
t
3
DGND=AGND1=AGND2=0V,
t
1
t
6
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
ps
9
1
2
3
4
5
6
7
8
9
t
2
t
7
t
5
MIN
600
600
600
100
600
T
1.3
0
0
A
=+25
t
4
o
C,
t
3
TYP
Slave
PP, Rev 3.5, March 2007
Mode,
MAX
526
300
300
900
5
Pre-Production
fs=48kHz,
t
8
UNIT
kHz
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
20