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WM8941 Folha de dados(PDF) 70 Page - Wolfson Microelectronics plc

Nome de Peças WM8941
Descrição Electrónicos  Mono CODEC with Speaker Driver and Video Buffer
PDF  96 Pages
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Fabricante Electrônico  WOLFSON [Wolfson Microelectronics plc]
Página de início  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8941 Folha de dados(HTML) 70 Page - Wolfson Microelectronics plc

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WM8941
Pre Production
w
PP, Rev 3.3, December 2007
70
3-WIRE SERIAL CONTROL MODE
In 3-wire mode, every rising edge of SCLK clocks in one data bit from the SDIN pin. A rising edge on
CSB/GPIO latches in a complete control word consisting of the last 16 bits.
Figure 42 3-Wire Serial Control Interface
READBACK IN 3-WIRE MODE
The following two timing diagrams are also supported.
Figure 43 Alternative 3-Wire Serial Control Timing
Figure 44 Alternative 3-Wire Serial Control Timing
A limited number of Readback addresses are provided to enable ALC operation to be monitored and
to establish the identity and revision of the device.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R0
Software Reset
15:0
CHIP_ID
Readback the CHIP ID
R1
Power
Management 1
2:0
DEVICE_REVI
SON
Readback the DEVICE_REVISON
Table 57 Readback Registers



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