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AD1985 датащи(PDF) 12 Page - Analog Devices

номер детали AD1985
подробное описание детали  AC ??7 SoundMAX Codec
PDF  48 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

AD1985 датащи(HTML) 12 Page - Analog Devices

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AD1985
Rev. A | Page 12 of 48
Table 20. Analog I/O
Mnemonic
Pin No.
I/O
Description
PHONE_IN
13
I
Monaural Line-Level Input.
AUX_L
14
I
Auxiliary Input, Left Channel.
AUX_R
15
I
Auxiliary Input, Right Channel.
CD_L
18
I
CD Audio Left Channel.
CD_GND_REF
19
I
CD Audio Analog Ground Reference for Differential CD Input.
CD_R
20
I
CD Audio Right Channel.
MIC1
21
I
Microphone 1 Input.
MIC2
22
I
Microphone 2 Input.
LINE_IN_L
23
I
Line In Left Channel.
LINE_IN_R
24
I
Line In Right Channel.
CENTER_OUT
31
I/O
Center Channel Output or Input to Recorder (depending on OMS bit in Reg 0x74).
LFE_OUT
32
I/O
Low Frequency Enhanced Output or Input to Recorder (depending on OMS bit in Reg 0x74).
LINE_OUT_L/SURR_L
35
O
Line Out (Front) Left Channel or Surround Left Channel (depending on LOSEL bit in Reg 0x76).
LINE_OUT_R/SURR_R
36
O
Line Out (Front) Right Channel or Surround Right Channel (depending on LOSEL bit in Reg 0x76).
MONO_OUT
37
O
Monaural Output to Telephony Subsystem Speakerphone.
SURR_OUT_L/HP_OUT_L
39
O
Surround or Front Headphone Left Channel Output (depending on HPSEL bit in Reg 0x76).
SURR_OUT_R/HP_OUT_R
41
O
Surround or Front Headphone Right Channel Output (depending on HPSEL bit in Reg 0x76).
Table 21. Filter/Reference
Mnemonic
Pin No.
I/O
Description
VREF
27
O
Voltage Reference Filter.
VREFOUT
28
O
Voltage Reference Output (Intended for Mic Bias).
AFILT1
29
O
Antialiasing Filter Capacitor—ADC Right Channel.
AFLIT2
30
O
Antialiasing Filter Capacitor—ADC Left Channel.
Table 22. Power and Ground Signals
Mnemonic
Pin No.
Type
Description
DVDD1
1
I
Digital VDD: 3.3 V.
DVSS1
4
I
Digital Ground.
DVSS2
7
I
Digital Ground.
DVDD2
9
I
Digital VDD: 3.3 V.
AVDD1
25
I
Analog VDD: 5.0 V.
AVSS1
26
I
Analog Ground.
AVDD4
34
I
Analog VDD: 5.0 V.
AVDD2
38
I
Analog VDD: 5.0 V.
AVSS2
40
I
Analog Ground.
AVDD3
43
I
Analog VDD: 5.0 V.
AVSS3
44
I
Analog Ground.
Table 23. No Connects
Mnemonic
Pin No.
Type
Description
NC
42
N/A
No Connect.



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