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參數(shù)資料
| 型號： | AK4641 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | 16 BIT CODEC WITH BLUETOOTH INTERFACE |
| 中文描述： | 16位編解碼器與藍(lán)牙接口 |
| 文件頁數(shù)： | 34/51頁 |
| 文件大?。?/td> | 461K |
| 代理商： | AK4641 |
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ASAHI KASEI
[AK4641]
MS0301-E-00
2004/05
- 4 -
PIN/FUNCTION
No.
Pin Name
I/O
Function
1
MPE
O
MIC Power Supply Pin for External Microphone
2
MPI
O
MIC Power Supply Pin for Internal Microphone
3
INT
I
Internal Microphone Input Pin (Mono Input)
4
VCOM
O
Common Voltage Output Pin, 0.45*AVDD
Bias voltage of ADC inputs and DAC outputs.
5
AVSS
-
Analog Ground Pin
6
AVDD
-
Analog Power Supply Pin
7
BVDD
-
Power Supply Pin for 16bit Mono CODEC of Bluetooth I/F
8
BVSS
-
Ground Pin for 16bit Mono CODEC of Bluetooth I/F
9
VCOC
O
PLL Loop Filter Pin for 16bit Mono CODEC of Bluetooth I/F
10
PDN
I
Power-Down Mode Pin
“H”: Power up, “L”: Power down reset and initializes the control register.
11
TST1
I
Test Pin. Connect to DVSS.
12
SCL
I
Control Data Clock Pin
13
SDA
I/O
Control Data Input Pin
14
SDTI
I
Audio Serial Data Input Pin
15
SDTO
O
Audio Serial Data Output Pin
16
LRCK
I
Input/Output Channel Clock Pin
17
BICK
I
Audio Serial Data Clock Pin
18
MCLK
I
External Master Clock Input Pin
19
DVDD
-
Digital Power Supply Pin
20
DVSS
-
Digital Ground Pin
21
BSDTI
I
Serial Data Input Pin for 16bit Mono CODEC of Bluetooth I/F
22
BSDTO
O
Serial Data Output Pin for 16bit Mono CODEC of Bluetooth I/F
23
BSYNC
I
Sync Signal Pin for 16bit Mono CODEC of Bluetooth I/F
24
BBICK
I
Serial Data Clock Pin for 16bit Mono CODEC of Bluetooth I/F
25
TST2
I
Test Pin. Connect to AVSS.
26
MOUT2
O
Mono Line Output 2 Pin
27
ROUT
O
Rch Stereo Line Output Pin
28
LOUT
O
Lch Stereo Line Output Pin
29
MOUT
O
Mono Line Negative Output Pin
30
MOUT+
O
Mono Line Positive Output Pin
31
AUX IN
I
Mono AUX Negative Input Pin
32
AUX IN+
I
Mono AUX Positive Input Pin
33
AIN
I
Analog Input Pin
34
MICOUT
O
Microphone Analog Output Pin
35
MDT
I
Microphone Detect Pin (Internal pull down by 500k
)
36
EXT
I
External Microphone Input Pin (Mono Input)
Note: All input pins except analog input pins (INT, EXT, AIN, AUXIN+, AUXIN
, MDT) should not be left floating.
Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
Classification
Pin Name
Setting
Analog Input
INT, AUXIN+, AUXIN
, AIN, MDT, EXT
These pins should be open.
Analog Output
MPE, MPI, MOUT2, ROUT, LOUT, MOUT
, MOUT+,
MICOUT
These pins should be open.
Digital Input
BSDTI, BSYNC, BBICK
These pins should be connected to DVSS.
Digital Output
BSDTO
These pins should be open.
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| AK4641VN | 16 BIT CODEC WITH BLUETOOTH INTERFACE |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4641EN | 制造商:AKM 制造商全稱:AKM 功能描述:16bit stereo CODEC with built-in Microphone-amplifier and 16bit Mono CODEC for Bluetooth Interface. |
| AK4641VN | 制造商:AKM 制造商全稱:AKM 功能描述:16 BIT CODEC WITH BLUETOOTH INTERFACE |
| AK4642 | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ???￡ Stereo CODEC with MIC/HP/SPK-AMP |
| AK4642EN | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP/SPK-AMP |
| AK4642VN | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ???￡ Stereo CODEC with MIC/HP/SPK-AMP |
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