參數(shù)資料
型號(hào)： AK2303LV
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:15; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:14-15 RoHS Compliant: No
中文描述： 雙交換機(jī)的PCM編解碼器的模擬線路卡
文件頁(yè)數(shù)： 17/41頁(yè)
文件大小： 559K
代理商： AK2303LV
ASAHI K ASEI
[AK 2303LV]
POWER DOWN
Power consumption is reduced in the power down mode.
In the power down mode, the current fed to analog circuits and the clock for digital circuits, are stopped, and the
related circuits hold its current status.
There are two power down modes.
- Power down for all circuits
- Power down by block
* In the power down mode, the output pins of corresponding blocks turn to Hi-Z. (See page 5)
POWER DOWN MODE SETTING
2 power down modes -
2303-E -00 17 2001/09
Mode
Circuits
Registers
Operation for “0”/”1”
Note
All circuit
All
PD
”0” : Normal
”1” : Power down
- CPU Registers are not reset.(hold its
value)
- Serial I/F is available.
- No need to supply FS, BCLK.
- Keep supplying FS and BCLK.
- AMPTn, AMPRn(n=0,1) Input/Output is
active, even when CODEC CHn(n=0,1) is in
power down mode,
Please refer table of the next page in
detail.
CODEC
CH0
PDCH0
Block
CODEC
CH1
PDCH1
”0” : Normal
”1” : Power down
WAKE UP FROM POWER DOWN MODE
After power down mode for CODEC CH0/CH1 is cleared, the CODEC circuit starts to be initialized.
It takes 130mS(typ).
WAKE UP FROM FULL POWER DOWN MODE
When full circuit power down mode for CODEC is cleared, AK2303LV starts the same wake up sequence as
one at power on. It takes 250ms(typ).
相關(guān)PDF資料
PDF描述
AK2305 Dual PCM CODEC for ISDN TERMINAL ADAPTER
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AK2306LV Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER
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AK2307LV SPEECH CODEC for Digital Key telephone (5.0V/3.3V)
相關(guān)代理商/技術(shù)參數(shù)
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AK2303LVM 制造商:AKM 制造商全稱:AKM 功能描述:PBX???è￡??????￠?????-??°?????¤??3???????????¨????????￡??3?????? ??°??￡??-??3???????????ˉ ?????3???
AK2304 制造商:未知廠家 制造商全稱:未知廠家 功能描述:A-Law/u-Law CODEC
AK2304A 制造商:AKM 制造商全稱:AKM 功能描述:QUAD PCM CODEC/FILTER COMBO LSI
AK2305 制造商:AKM 制造商全稱:AKM 功能描述:Dual PCM CODEC for ISDN TERMINAL ADAPTER
AK2306 制造商:AKM 制造商全稱:AKM 功能描述:Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER
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