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參數(shù)資料
| 型號： | AK2306 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER |
| 中文描述： | 雙的PCM編解碼器對ISDN / VoIP終端適配器 |
| 文件頁數(shù)： | 18/38頁 |
| 文件大小： | 469K |
| 代理商： | AK2306 |
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ASAHI K ASEI
[AK 2306/LV]
SERIAL INTERFACE
The internal registers can be read/written with SCLK, DATA, and CSN pins.
1word consists of 16bits. The first 4bits are the instruction code which specifies read/write.
The following 3bits specify the address. The rest of 8bits are for setting registers.
B15
B14
B13
B12
B11
B10
B9
B8
MS0093-E -04 18 2001/11
B7
B6
B5
B4
B3
B2
B1
B0
I3
I2
I1
I0
A2
A1
A0
*
D7
D6
D5
D4
D3
D2
D1
D0
Instruction code
(4bit)
Address
(3bit)
*
Data for internal registers
(8bit)
*)Dummy bit for adjusting the I/O timing when reading register.
INSTRUCTION CODEC
I3
I2
I1
I0
Read/Write
1
1
1
0
Read
1
1
1
1
Write
Other codes
No action
SCLK and WRITE/READ
(1) Input data are loaded into the internal shift register at the rising edge of SCLK.
(2) The rising edge of SCLK is counted after the falling edge of CSN.
(3) When CSN is “L” and more than 16 SCLK pulses:
[WRITE]
Data are loaded into the internal register at the rising edge of the SCLK 16
th
pulse.
[READ]
DATA pin is switched to an input pin at the falling edge of the SCLK 16
pulse.
CSN and WRITE / READ CANCELLATION
(1) WRITE is cancelled when CSN goes up before the rising edge of the SCLK 16
th
pulse.
(2) READ is cancelled when CSN goes up before the falling edge of the SCLK 16
th
pulse.
SERIAL WRITE / READ (SERIAL ACCESS)
(1) CSN must go up to “H” before the next access in successive access.
(2) When the next access is going to be done , if CSN remains to be “L”, successive access can not be done.
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| AK2306LV | Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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) |
| AK2307LV | 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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