wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 22
wm9081
Manufacturer Part Number
wm9081
Description
Mono Dac With 2.6w Class Ab/d Speaker Driver, Dynamic Range Controller And Retune Mobile Parametric Equalizer
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9081.pdf
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WM9081
Figure 13 Single Register Write to Specified Address
Figure 14 Single Register Read from Specified Address
Figure 15 Multiple Register Write to Specified Address using Auto-increment
Figure 16 Multiple Register Read from Specified Address using Auto-increment
w
Note that, for multiple write and multiple read operations, the auto-increment option must be enabled.
This feature is enabled by default; it is described in Table 5 below.
Table 4 Control Interface Terminology
TERMINOLOGY
[White field]
[Grey field]
R/ W ¯ ¯
Sr
S
A
P
Data flow from bus master to WM9081
Data flow from WM9081 to bus master
DESCRIPTION
Start Condition
Repeated start
Stop Condition
Acknowledge
0 = Write
1 = Read
PP, Rev 3.0, April 2009
Pre-Production
22
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