WM8985GEFL Wolfson Microelectronics, WM8985GEFL Datasheet - Page 20

• Manufacturer Part Number: WM8985GEFL
• Description: Audio CODECs Multimedia CODEC with Class D HP
• Manufacturer: Wolfson Microelectronics

Specifications of WM8985GEFL

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
PD, Rev 4.6, July 2009
Mode,
MAX
526
300
300
900
5
Production Data
fs=48kHz,
t
8
UNIT
kHz
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
20