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WM8945ECS/R Folha de dados(PDF) 99 Page - Wolfson Microelectronics plc

Nome de Peças WM8945ECS/R
Descrição Electrónicos  Mono Low-Power CODEC with Video Buffer and Touch Panel Controller
PDF  169 Pages
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Fabricante Electrônico  WOLFSON [Wolfson Microelectronics plc]
Página de início  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8945ECS/R Folha de dados(HTML) 99 Page - Wolfson Microelectronics plc

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Production Data
WM8945
w
PD, May 2011, Rev 4.1
99
Figure 38 Control Interface 2-wire (I2C) Register Write
The sequence of signals associated with a single register read operation is illustrated in Figure 39.
Figure 39 Control Interface 2-wire (I2C) Register Read
The Control Interface also supports other register operations, as listed above. The interface protocol
for these operations is summarised below. The terminology used in the following figures is detailed in
Table 67.
Note that, for multiple write and multiple read operations, the auto-increment option must be enabled.
This feature is enabled by default, as noted in Table 66.
TERMINOLOGY
DESCRIPTION
S
Start Condition
Sr
Repeated start
A
Acknowledge
P
Stop Condition
R/W
ReadNotWrite
0 = Write
1 = Read
[White field]
Data flow from bus master to WM8945
[Grey field]
Data flow from WM8945 to bus master
Table 67 Control Interface Terminology
Figure 40 Single Register Write to Specified Address



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