WM8777_05 Datasheet, PDF (28/103 Pages) Wolfson Microelectronics plc – 24-bit, 192kHz AV Receiver on-a-Chip

WM8777
CONTROL INTERFACE TIMING – 2-WIRE MODE
t
3
SDIN
t
t
5
3
Pre-Production
t
t
t
t
6
2
4
8
SCLK
t
1
t
t
9
7
Figure 10 Control Interface Timing – 2-Wire Serial Control Mode (MODE=0)
Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND, DGND = 0V, TA = +25^oC, fs = 48kHz, MCLK = 256fs unless otherwise stated
PARAMETER
Program Register Input Information
SCLK Frequency
SCLK Low Pulse-Width
SCLK High Pulse-Width
Hold Time (Start Condition)
Setup Time (Start Condition)
Data Setup Time
SDIN, SCLK Rise Time
SDIN, SCLK Fall Time
Setup Time (Stop Condition)
Data Hold Time
Pulse width of spikes that will be suppressed
SYMBOL
t1
t2
t3
t4
t5
t6
t7
t8
t9
tps
MIN
TYP
MAX
0
400
600
1.3
600
600
100
300
300
600
900
0
5
Table 15 2-wire Control Interface Timing Information
UNIT
kHz
ns
us
ns
ns
ns
ns
ns
ns
ns
ns
w
PP Rev 3.0 January 2004
28