參數(shù)資料
型號(hào): ADSP-1981BL
廠商: Analog Devices, Inc.
元件分類: Codec
英文描述: AC 97 SoundMAX Codec
中文描述: 交流97 SoundMAX編解碼器
文件頁數(shù): 11/32頁
文件大?。?/td> 326K
代理商: ADSP-1981BL
AD1981BL
Pin No.
22
Rev. A | Page 11 of 32
Mnemonic
MIC2
I/O
I
Description
Microphone 2 Input (Mono) or Right Channel when 2-Channel Mode Selected
(Stereo MIC).
Line-In Left Channel.
Line-In Right Channel.
Line-Out (Front) Left Channel.
Line-Out (Front) Right Channel.
Monaural Output to Telephony Subsystem Speaker Phone.
Headphone Left-Channel Output.
Headphone Right-Channel Output.
Voltage Reference Filter.
Voltage Reference Output 5 mA Drive (Intended for MIC Bias and Power Amp Bias).
Antialiasing Filter Capacitor—ADC Right Channel.
Antialiasing Filter Capacitor—ADC Left Channel.
Antialiasing Filter Capacitor—Mixer ADC Right Channel.
Antialiasing Filter Capacitor—Mixer ADC Left Channel.
23
24
35
36
37
39
41
FILTER/REFERENCE
2
27
28
29
30
31
32
POWER AND GROUND
SIGNALS
1
4
7
9
25
26
38
40
43
44
34
33
NO CONNECTS
12
42
LINE_IN_L
LINE_IN_R
LINE_OUT_L
LINE_OUT_R
MONO_OUT
HP_OUT_L
HP_OUT_R
V
REF
V
REFOUT
AFILT1
AFILT2
AFILT3
AFILT4
I
I
O
O
O
O
O
O
O
O
O
O
O
DV
DD
1
DV
SS
1
DV
SS
2
DV
DD
2
AV
DD
1
AV
SS
1
AV
DD
2
AV
SS
2
AV
DD
3
AV
SS
3
AV
DD
4
AV
SS
4
NC
NC
I
I
I
I
I
I
I
I
I
I
I
I
Digital V
DD
, 3.3 V.
Digital GND.
Digital GND.
Digital V
DD
, 3.3 V.
Analog V
DD
, 3.3 V.
Analog GND.
Analog V
DD
, 3.3 V.
Analog GND.
Analog V
DD
, 3.3 V.
Analog GND.
Analog V
DD
, 3.3 V.
Analog GND.
No Connect.
No Connect.
1
These pins can also be used to select an external clock. See Table 44.
2
These signals are connected to resistors, capacitors, or specific voltages.
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