WM8731 Wolfson Microelectronics Ltd., WM8731 Datasheet - Page 17
WM8731
Manufacturer Part Number
WM8731
Description
WM8731 : Low Power Audio Codec With Integrated Headphone Driver
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8731.pdf
(59 pages)
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WM8731
Figure 8 Program Register Input Timing – 2-Wire MPU Serial Control Mode
Test Conditions
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
256fs unless otherwise stated.
PARAMETER
Program Register Input Information
SCLK Frequency
SCLK Low Pulsewidth
SCLK High Pulsewidth
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
SCLK
SDIN
t
3
t
1
t
SYMBOL
6
t
t
t
t
t
t
t
t
t
10
1
2
3
4
5
6
7
8
t
10
t
2
TEST CONDITIONS
t
7
t
5
A
= +25
t
4
o
MIN
600
600
600
100
600
1.3
t
C, Slave Mode, fs = 48kHz, XTI/MCLK =
0
3
TYP
AI Rev 2.3 August 2001
Advanced Information
MAX
400
300
300
900
t
8
UNIT
kHz
ns
us
ns
ns
ns
ns
ns
ns
ns
17