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參數(shù)資料
| 型號： | AK2305 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | Dual PCM CODEC for ISDN TERMINAL ADAPTER |
| 中文描述： | 雙PCM編解碼器的ISDN終端適配器 |
| 文件頁數(shù)： | 7/43頁 |
| 文件大?。?/td> | 481K |
| 代理商： | AK2305 |
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ASAHI K ASEI [AK 2305]
C0029-E-02 7 1999/8
Pin#
25
Name
FS1
I/O
I
Function
Frame sync input for channel 1.
FS1 must be 8KHz clock synchronized in BCLK .
In GCI / IDL mode, this pin is pulled down to VSS.
Bit clock of PCM data interface. This clock is apply for both ch0 and ch1.
BCLK should be synchoronized with 8 x N kHz(FSn x N kHz).
DTMF tone input of ch 0.
Output of DTMF receiver 0. DTO00 is LSB.
27
BCLK
I
46
37
38
39
40
24
DTIN0
DTO00
DTO01
DTO02
DTO03
STD0
I
O
O
O
O
O
Steering to delay output of ch0. After the DTMF decoding, the output
latch is renewed and this output alters to high level.
DTMF tone input.
Output of DTMF receiver 1. DTO10 is LSB.
15
41
42
43
44
23
DTIN1
DTO10
DTO11
DTO12
DTO13
STD1
I
O
O
O
O
O
Steering to delay output of ch0. After the DTMF decoding, the output
latch is renewed and this output alters to high level.
Output enable pin for the DTMF receiver.
Output enable pin for the tone generator 0.
Output enable pin for the tone generator 1.
External tone input pin. Input signal should be through more than 0.1uF
of an external capacitance.
Tone output pin.
Data input of serial interface.
Clock input of serial interface.
Read and write enable of serial interface.
Active high input for ch0 mute.
Active high input for ch0 mute.
Active high input for all power down.
Pin for PLL loop filter. Connect to AVSS with 0.22uF or larger.
Analog ground output.
To stabilize the analog ground, connect to AVSS with 0.1uF or larger.
Digital positive supply voltage. System digital +5V supply.
Digital negative supply voltage. System digital ground.
Analog positive supply voltage. Systems analog +5V supply.
Analog negative supply voltage. System analog ground.
Only for factory use. Should to be fixed to DVSS.
20
22
21
8
DTOE
TNOE0
TNOE1
AUX
I
I
I
I
9
34
35
36
18
17
19
5
4
TNOUT
DATA
SCLK
CS
MUTE0
MUTE1
PD
LPC
VREF
O
I/O
I
I
I
I
I
O
O
31
30
6
7
45
16
DVDD
DVSS
AVDD
AVSS
TST1
TST2
-
-
-
-
I
I
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK2306 | Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER |
| AK2306LV | Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER |
| AK2307 | SPEECH CODEC for Digital Key telephone (5.0V/3.3V) |
| AK2307LV | SPEECH CODEC for Digital Key telephone (5.0V/3.3V) |
| AK2347 | JT 37C 37#22D PIN GRND PLUG |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK2306 | 制造商:AKM 制造商全稱:AKM 功能描述:Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER |
| AK2306LV | 制造商:AKM 制造商全稱:AKM 功能描述:Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER |
| AK2306LVM | 制造商:AKM 制造商全稱:AKM 功能描述:ISDN/VoIP?????????????????￠???????????¨ ????????￡??3?????? ??°??￡??-??3???????????ˉ ?????3??? |
| AK2306VM | 制造商:AKM 制造商全稱:AKM 功能描述:ISDN/VoIP?????????????????￠???????????¨ ????????￡??3?????? ??°??￡??-??3???????????ˉ ?????3??? |
| AK2307 | 制造商:AKM 制造商全稱:AKM 功能描述:SPEECH CODEC for Digital Key telephone (5.0V/3.3V) |
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