WM8985GEFL Wolfson Microelectronics, WM8985GEFL Datasheet - Page 19

• 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

Production Data
CONTROL INTERFACE TIMING – 3-WIRE MODE
w
Test Conditions
DCVDD = 1.8V, DBVDD = AVDD1 = AVDD2 = 3.3V, DGND = AGND1 = AGND2 = 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
3-wire mode is selected by connecting the MODE pin high.
Figure 5 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
MIN
200
80
80
80
40
40
40
40
40
0
A
=+25
TYP
o
C, Slave Mode, fs=48kHz,
PD, Rev 4.6, July 2009
MAX
5
WM8985
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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