WM8990ECS/RV Wolfson Microelectronics, WM8990ECS/RV Datasheet - Page 34

• Manufacturer Part Number: WM8990ECS/RV
• Description: Audio CODECs Stereo CODEC w.Class AB/D speaker driver
• Manufacturer: Wolfson Microelectronics

Specifications of WM8990ECS/RV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8990
w
CONTROL INTERFACE TIMING – 3-WIRE MODE
Figure 9 Control Interface Timing – 3-Wire Serial Control Mode (Write Cycle)
Figure 10 Control Interface Timing – 3-Wire Serial Control Mode (Read Cycle)
Test Conditions
DCVDD=1.8V, DBVDD=AVDD=HPVDD=3.3V, SPKVDD=5V, DGND=AGND=HPGND=SPKGND=0V, T
fs=48kHz, MCLK=256fs, 24-bit data, unless otherwise stated.
Program Register Input Information
CSB falling edge to SCLK rising edge
SCLK falling edge to CSB rising edge
SCLK pulse cycle time
SCLK pulse width low
SCLK pulse width high
SDIN to SCLK set-up time
SDIN to SCLK hold time
Pulse width of spikes that will be suppressed
SCLK falling edge to SDOUT transition
SDOUT
SCLK
CSB
PARAMETER
3-wire mode is selected by connecting the MODE pin high.
t
DL
SYMBOL
t
t
t
t
t
t
t
CHO
DHO
CSU
SCY
SCL
SCH
DSU
t
t
DL
ps
MIN
200
40
40
80
80
40
10
0
LSB
TYP
A
PD, March 2009, Rev 4.0
=+25
MAX
o
40
C, Slave Mode,
5
Production Data
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
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