WM8978_06 Wolfson Microelectronics Ltd., WM8978_06 Datasheet - Page 17

• Manufacturer Part Number: WM8978_06
• Description: Stereo Codec With Speaker Driver
• Manufacturer: Wolfson Microelectronics Ltd.

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
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,
PP Rev 3.0 May 2006
MAX
5
WM8978
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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