參數(shù)資料
型號(hào)： AD1981HD
廠商： Analog Devices, Inc.
元件分類： Codec
英文描述： HD Audio SoundMAX Codec
中文描述： 高清音頻SoundMAX編解碼器
文件頁數(shù)： 8/16頁
文件大?。?/td> 201K
代理商： AD1981HD
AD1981HD
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Rev. 0 | Page 8 of 16
48
S
47
E
46
N
45
N
44
G
43
G
42
A
S
41
P
40
N
39
P
38
A
D
37
M
35
PORT-D_L
34
SENSE_B/SRC_A
33
NC
30
MIC_BIAS-F
31
NC
32
MIC_BIAS-D
36
PORT-D_R
29
MIC_BIAS-C
28
MIC_BIAS-B
27
VREF_FILT
25
AV
DD
26
AV
SS
2
GPIO_2
GPIO_3
3
4
DV
SS
7
DV
SS
6
BIT_CLK
5
SDATA_OUT
1
DV
DD
8
SDATA_IN
9
DV
DD
SYNC
10
12
PC BEEP
11
RESET
NC = NO CONNECT
13
S
14
P
15
P
16
P
17
P
18
C
19
C
20
C
21
P
22
P
23
P
24
P
PIN 1
AD1981HD
TOP VIEW
(Not to Scale)
0
Figure 3. Pin Configuration
Table 15. Pin Function Descriptions
Mnemonic
SDATA_OUT
BIT_CLK
SDATA_IN
SYNC
RESET#
Pin No.
5
6
8
10
11
I/O
I
I
I/O
I
I
Description
HD Audio Link Serial Data Output. Codec input stream.
HD Audio Link Bit Clock Input. 24 MHz.
HD Audio Link Serial Data Input. Codec output stream.
HD Audio Link Frame Sync.
HD Audio Link Reset. Master hardware reset.
Table 16. Digital Input/Output Pin Function Descriptions
Mnemonic
Pin No.
GPIO_2
2
GPIO_3
3
GPIO_0/JS_1
43
I/O
I/O
I/O
I/O
Description
General-Purpose Input/Output. Digital signal used to sense/control external circuits.
General-Purpose Input/Output. Digital signal used to sense/control external circuits.
GPIO_0—General-Purpose Input/Output. Digital signal used to sense/control external circuits.
JS_1—Classic (DC) Jack Sense for Headphone Out Pins. Low indicates that nothing is plugged
into the jack; high indicates that a peripheral is plugged into the jack.
GPIO_1—General-Purpose Input/Output. Digital signal used to sense/control external circuits
JS_0—Classic (DC) Jack Sense for Line Out Pins. Low indicates that nothing is plugged into the
jack; high indicates that a peripheral is plugged into the jack.
SENSE_A—Jack Sense A–D Input. For use with isolated switches on audio jacks.
1
SENSE_B—Jack Sense E–F Input. For use with isolated switches on audio jacks.
1
External Amplifier Power-Down Output.
S/PDIF Output.
GPIO_1/JS_0
44
I/O
SENSE_A/SRC_B
SENSE_B/SRC_A
EAPD
S/PDIF_OUT
13
34
47
48
I/O
I/O
O
O
1
To reduce SENSE_A/B static current draw, connect a single 2.69 kΩ resistor between Pins 13 and 34. Remove the resistors from Pins 33 and 13 to AV
DD
.
相關(guān)PDF資料
PDF描述
AD1981HDJSTZ HD Audio SoundMAX Codec
AD1981HDJSTZ-REEL HD Audio SoundMAX Codec
AD1983 HD Audio SoundMAX Codec
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD1981HDJSTZ 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 2DAC 20-Bit/24-Bit 48-Pin LQFP
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AD1983 制造商:AD 制造商全稱:Analog Devices 功能描述:HD Audio SoundMAX Codec
AD1983JCPZ 制造商:AD 制造商全稱:Analog Devices 功能描述:HD Audio SoundMAX Codec
AD1983JCPZ-REEL 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:
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