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AD1986A Datasheet(PDF) 11 Page - Analog Devices

No. de pieza AD1986A
Descripción Electrónicos  AC ??7 and HD Audio SoundMAX Codec
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

AD1986A Datasheet(HTML) 11 Page - Analog Devices

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AD1986A
Rev. 0 | Page 11 of 56
Table 19. Analog Input/Output
Mnemonic
Pin
Number
Input/
Ouput
Description
PCBEEP
12
I
Analog PC Beep Input. Routed to all output capable pins when RESET is asserted.
PHONE_IN
13
I
Mono Line Level Input.
AUX_L
14
I
Auxiliary Left Channel Input.
AUX_R
15
I
Auxiliary Right Channel Input.
CD_L
18
I
CD-Audio-Left Channel.
CD_GND
19
I
CD-Audio-Analog-Ground-Reference (for Differential CD Input).
CD_R
20
I
CD-Audio-Right Channel.
MIC_1
21
I
Microphone 1 or Line-In-Left Input (See LISEL Bits in Register 0x76).
MIC_2
22
I
Microphone 2 or Line-In-Right Input (See LISEL Bits in Register 0x76).
LINE_IN_L
23
I
Line-In-Left Channel or Microphone 1 Input (See OMS Bits in Register 0x74).
LINE_IN_R
24
I
Line-In-Right Channel or Microphone 2 Input (See OMS Bits in Register 0x74).
CENTER_OUT
31
I/O
Center-Channel Output or Microphone 1 Input (See OMS Bits in Register 0x74).
LFE_OUT
32
I/O
Low-Frequency-Enhanced Output or Microphone 2 Input (See OMS Bits in Register 0x74).
HEADPHONE_L
39
O
Headphone-Out-Left Channel (See HPSEL Bits in Register 0x76).
HEADPHONE_R
41
O
Headphone-Out-Right Channel (See HPSEL Bits in Register 0x76).
LINE_OUT_L
43
O
Line-Out (Front)—Left Channel (See LOSEL Bit in Register 0x76) (HP Drive-Capable).
LINE_OUT_R
45
O
Line-Out (Front)—Right Channel (See LOSEL Bit in Register 0x76) (HP Drive-Capable).
MONO_OUT
37
O
Mono Output to Telephony Subsystem Speakerphone.
SURR_OUT_L
35
I/O
Surround-Left Channel Output or Line-In-Left Input (See LISEL and SOSEL Bits in Register 0x76).
SURR_OUT_R
36
I/O
Surround-Right Channel Output or Line-In-Right Input (See LISEL and SOSEL Bits in
Register 0x76).
Table 20. Filter/Reference
Mnemonic
Pin
Number
Input/
Ouput
Description
VREF_FILT
27
O
Voltage Reference Filter.
VREF_OUT (MIC)
28
O
Programmable Voltage Reference Output (Intended for MIC Bias on the MIC_1/2 Channels).
VREF_OUT
(LINE_IN)
29
O
Programmable Voltage Reference Output (Intended for MIC Bias on the LINE_IN Channels).
VREF_OUT (C/LFE)
33
O
Programmable Voltage Reference Output (Intended for MIC Bias on the C/LFE Channels).
Table 21. Power and Ground
Mnemonic
Pin Number
Input/
Ouput
Description
DVDD
1, 9
N/A
Digital Supply Voltage (3.3 V).
DVSS
4, 7
N/A
Digital Supply Return (Ground).
AVDD
25, 34, 38, 42,
46
N/A
Analog Supply Voltage (5.0 V). AVDD supplies should be well filtered because supply noise will
degrade performance.
AVSS
26, 30, 40, 44
N/A
Analog Supply Return (Ground).


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