WM8980CGEFL/RV WOLFSON [Wolfson Microelectronics plc], WM8980CGEFL/RV Datasheet - Page 17

• Manufacturer Part Number: WM8980CGEFL/RV
• Description: Stereo CODEC with Speaker Driver and Video Buffer
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Pre-Production
CONTROL INTERFACE TIMING – 3-WIRE MODE
w
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
SCH
DSU
DHO
CSH
SCS
SCY
SCL
CSL
CSS
t
ps
200
MIN
80
80
80
40
40
40
40
40
0
A
=+25
TYP
o
C, Slave Mode, fs=48kHz,
PP, Rev 3.8, May 2012
MAX
5
WM8980
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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