wm8952 Wolfson Microelectronics plc, wm8952 Datasheet - Page 50
wm8952
Manufacturer Part Number
wm8952
Description
Mono Adc With Microphone Pre-amplifier
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8952.pdf
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WM8952
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3-WIRE SERIAL CONTROL MODE
READBACK IN 3-WIRE MODE
Figure 28 3-Wire Serial Control Interface
Figure 29 Alternative 3-Wire Serial Control Timing
Figure 30 Alternative 3-Wire Serial Control Timing
Table 42 Readback Registers
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.
The following two timing diagrams are also supported.
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.
R0
Software Reset
R1
Power
Management 1
REGISTER
ADDRESS
15:0
2:0
BIT
CHIP_ID
DEVICE_REVI
SON
LABEL
DEFAULT
Readback the CHIP ID
Readback the DEVICE_REVISON
PP, Rev 3.0, December 2008
DESCRIPTION
Pre Production
50
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