wm8580a Wolfson Microelectronics plc, wm8580a Datasheet - Page 32
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wm8580a
Manufacturer Part Number
wm8580a
Description
Multichannel Codec With S/pdif Transceiver
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8580A.pdf
(103 pages)
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WM8580
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INFINITE ZERO DETECT
Setting the IZD register bit will enable the internal Infinite Zero Detect function:
Table 21 IZD Register
With IZD enabled, applying 1024 consecutive zero input samples to a stereo input channel on any
DAC will cause that stereo channel output to be muted. Mute will be removed as soon as either of
those stereo channels receives a non-zero input.
REGISTER ADDRESS
DAC Control 2
R16
10h
BIT
7
LABEL
IZD
DEFAULT
0
Infinite zero detection circuit control
and automute control
0 = Infinite zero detect automute
disabled
1 = Infinite zero detect automute
enabled
DESCRIPTION
PD, Rev 4.7, March 2009
Production Data
32
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