wm8903 Wolfson Microelectronics plc, wm8903 Datasheet - Page 99

• Manufacturer Part Number: wm8903
• Description: Ultra Low Power Codec For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
Figure 56 Single Write
Figure 57 Single Read
Figure 58 Multiple Write using Auto-increment
Figure 59 Multiple Read Using Auto-increment
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The WM8903 supports the following read and write operations:
The data format for these operations is shown below
Terminology used in the following figures:
Table 68 Control Interface Terminology
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•
•
•
TERMINOLOGY
[White field]
[Grey field]
Single write
Single read
Multiple write using auto-increment
Multiple read using auto-increment
RW
Sr
S
A
P
ReadNotWrite
Data flow from bus master to WM8903
Data flow from WM8903 to bus master
Start Condition
DESCRIPTION
Repeated start
Stop Condition
Acknowledge
0 = Write
1 = Read
PP, Rev 3.1, August 2009
WM8903
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