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AD1986ABSTZ Datasheet(PDF) 40 Page - Analog Devices

Part # AD1986ABSTZ
Description  AC ??7 and HD Audio SoundMAX Codec
PDF  56 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD1986ABSTZ Datasheet(HTML) 40 Page - Analog Devices

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AD1986A
Rev. 0 | Page 40 of 56
Register
Function
JSMT [2,0]
(JS Mute
Enable
selector)
These three bits select and enable the jack sense muting action. See Table 104.
JS0DMX
(JS0 Down-
Mix Control
Enable)
This bit enables JS0 to control the down-mix function. This function allows a digital mix of 6-channel audio into 2-channel
audio. The mix can then be routed to the stereo LINE_OUT or HP_OUT jacks. When this bit is set to 1, JS0 = 1 will activate the
down-mix conversion. See the DMIX description in Register 0x76. The DMIX bits select the down-mix implementation type
and can also force the function to be activated.
JS0DMX
Function
0
JS0 does not affect down mix
Default
1
JS0 = 1 activates the 6- to 2-channel down mix
This bit enables JS1 to control the down-mix function (see the JS0DMx description above). When this bit is set to 1, JS1 = 1
will activate the down-mix conversion.
JS1DMX
Function
0
JS1 does not affect down-mix
Default
JS1DMX
(JS1 Down-
Mix Control
Enable)
1
JS1 = 1 activates the 6- to 2-channel down-mix
This bit enables the 2-channel to 6-channel audio spread function when JSs are active (Logic State 1). Note that the SPRD bit
can also force the Spread function without being gated by the jack senses. Please see this bit’s description in Register 0x76
for a better understanding of the Spread function.
JSSPRD
Function
0
JS1 does not affect spread
Default
JSSPRD
(JS Spread
control
enable)
1
J10 = 1 activates spread
x
Reserved.
Default: 0
Table 104. Jack Sense Mute Selections (JSMT)
REF
JS1
JS0
JSMT2
JSMT1
JSMT0
HP
OUT
LINE
OUT
C/LFE
OUT
SURR
OUT
MONO
OUT
NOTES
0
OUT (0)
OUT (0)
0
0
0
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
JS0 and JS1 ignored
1
OUT (0)
IN (1)
0
0
0
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
2
IN (1)
OUT (0)
0
0
0
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
3
IN (1)
IN (1)
0
0
0
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
4
OUT (0)
OUT (0)
0
0
1
ACTIVE
FMUTE
FMUTE
FMUTE
ACTIVE
JS0 no mute action
5
OUT (0)
IN (1)
0
0
1
ACTIVE
FMUTE
FMUTE
FMUTE
ACTIVE
JS1 mutes mono and enables
LINE_OUT + SURR_OUT +
C/LFE
6
IN (1)
OUT (0)
0
0
1
ACTIVE
ACTIVE
ACTIVE
ACTIVE
FMUTE
7
IN (1)
IN (1)
0
0
1
ACTIVE
ACTIVE
ACTIVE
ACTIVE
FMUTE
STANDARD 6 CHAN CONFIG
8
OUT (0)
OUT (0)
0
1
0
FMUTE
ACTIVE
FMUTE
FMUTE
ACTIVE
JS0 no mute action, SWAPPED
HP_OUT and LINE_OUT
9
OUT (0)
IN (1)
0
1
0
FMUTE
ACTIVE
FMUTE
FMUTE
ACTIVE
JS1 mutes mono and enables
HP_OUT + SURR_OUT + C/LFE
10
IN (1)
OUT (0)
0
1
0
ACTIVE
ACTIVE
ACTIVE
ACTIVE
FMUTE
11
IN (1)
IN (1)
0
1
0
ACTIVE
ACTIVE
ACTIVE
ACTIVE
FMUTE
Standard six Channel
Configuration no swap
12
OUT (0)
OUT (0)
0
1
1
**
**
**
**
**
**Reserved
13
OUT (0)
IN (1)
0
1
1
**
**
**
**
**
14
IN (1)
OUT (0)
0
1
1
**
**
**
**
**
15
IN (1)
IN (1)
0
1
1
**
**
**
**
**
16
OUT (0)
OUT (0)
1
0
0
ACTIVE
FMUTE
FMUTE
FMUTE
ACTIVE
JS0 = 0 and JS1 = 0
enables MONO
17
OUT (0)
IN (1)
1
0
0
ACTIVE
ACTIVE
ACTIVE
ACTIVE
FMUTE
JS1 = 1 enabled
FRONT only
18
IN (1)
OUT (0)
1
0
0
ACTIVE
FMUTE
FMUTE
FMUTE
FMUTE
JS0 = 1 and JS1 = 0
enables all rear
19
IN (1)
IN (1)
1
0
0
ACTIVE
FMUTE
FMUTE
FMUTE
FMUTE
6 CHAN CONFIG with front
jack wrap back



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