AD1983 데이터 시트보기 (PDF) - Analog Devices
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AD1983 Datasheet PDF : 16 Pages
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AD1983
HD AUDIO CODEC INFORMATION
Table 6. Widget List and Descriptions
NID
(Hex) Name
Type ID Type
00 ROOT
x
Root
01 FUNCTION
x
Function
02 S/PDIF
0
Audio output
03 Front DAC
0
Audio output
04 Record ADC
1
Audio input
05 Port-D (Line Out)
4
Pin complex
06 Port-A (Headphone Out)
4
Pin complex
07 MONO_OUT
4
Pin complex
08 Port-B (Front Microphone) 4
09 Port-C (Line In)
4
0A S/PDIF_OUT
4
0B Mono Selector
3
0C Microphone Selector/Boost 3
Pin complex
Pin complex
Pin complex
Audio selector
Audio mixer
0D Line In Selector
0E Analog Mixer
0F Mono Mixer
10 Digital PC Beep
11 Front Mix Amp
12 Port-B Mix Amp
3
Audio selector
2
Audio mixer
2
Audio mixer
7
Beep generator
3
Audio selector
3
Audio selector
13 Port-C Mix Amp
3
Audio selector
14 Record Selector
3
Audio selector
15 Analog Power-Down
5
Power widget
Description
Device identification.
Designates this device as an audio codec.
Designates the codec S/PDIF digital stream output interface.
Designates the playback channel digital/audio converters.
Designates the record channel audio/digital converters.
Port-D pin drivers. Typically used as rear panel line output.
Port-A pin drivers. Typically used as front panel headphone output.
Monaural output pin driver. Typically used to drive an internal
speaker or as a microphone selector on a telephony system.
Port-B pin drivers. Typically used as front panel microphone.
Port-C pin drivers. Typically used as rear panel line input.
S/PDIF output digital interface.
Chooses the signals that drive the mono output mixer and pin.
Allows microphone source port selection and boost preamplifier
setting.
Allows line in source port selection.
Selectively mixes analog input signals into a single signal.
Stereo-to-Mono mixer.
Digital PC beep generator.
Individual gain control for the DAC (front) input to the analog mixer.
Individual gain control for the Port-B (front microphone) input to the
analog mixer.
Individual gain control for the Port-C (line in) input to the analog
mixer.
Chooses the signal that is recorded by the record ADC. Also contains
the record gain controls.
Controls power on analog mixer and associated amplifiers. This
controls the power of all widgets in its connection list.
Table 7. Root and Function Node Parameters1
NID (Hex)
00
01
Name
ROOT
FUNCTION
Type
ID
X
X
Type
Root
Function
Vendor ID
PID 002
11D41983
Revision ID
PID 022
00100400
Sub Node
Count
PID 042
00010001
00020014
1 Default SSID: BFD30000.
2 PID = parameter ID.
Function Group Audio
Type
F.G. Caps
PID 052
PID 082
00000001
00010C0C
GPIO Caps
PID 112
40000002
Rev. 0 | Page 9 of 16
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