WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 30

• Manufacturer Part Number: WM8959
• Description: Mobile Multimedia DAC with Dual-mode Class AB/D Speaker Driver
• Manufacturer: Wolfson Microelectronics Ltd.

WM8959
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CONTROL INTERFACE TIMING – 3-WIRE MODE
Figure 8 Control Interface Timing – 3-Wire Serial Control Mode (Write Cycle)
Figure 9 Control Interface Timing – 3-Wire Serial Control Mode (Read Cycle)
Test Conditions
DCVDD=1.8V, DBVDD=AVDD=HPVDD=SPKVDD=3.3V, 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
=+25
o
PP, May 2008, Rev 3.1
C, Slave Mode,
MAX
40
5
Pre-Production
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
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