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): 12/38頁
文件大?。?/td> 469K
代理商: AK2306
ASAHI K ASEI
[AK 2306/LV]
MUTE
The output on each channel can be muted independently through the CPU register as shown in the table.
Mute register( Address:100 Bit:5,4 )
MTCH0,1
Operation
DX pin
MS0093-E -04 12 2001/11
VRX pin
0
Normal
PCM data output
CODEC
analog output
1
Mute
High-Impedance(*
1)
AGND*
(*1)
MTCH0 and MTCH1 are the mute control bit for CH0 and CH1,respectively. B1 and B2 channel muted by MTCH0/1 is
defined by SEL2B bit shown in the PCM Interface section.
<EXAMPLE>
LF Mode CH0 mute (MTCH=1, MTCH1=0, SEL2B=0)
FS0
DX
DR
BCLK
1
2
3
4
7
8
5
6
1
2
3
4
7
8
5
6
Don’t
care
Don’t care
B1-CHANNEL(CH0)
<SEL2B=”0”>
B2-CHANNEL(CH1)
<SEL2B=”0”>
VRX0 :
CODEC CH0 analog output is always at AGND level.
CODEC CH1 analog output is the signal converted from the PCM data of CH1 input through DR pin.
VRX1 :
GCI mode CH0 mute (MTCH0=1, MTCH1=0, SEL2B=0)
FS0
DX
DR
BCLK
1
2
3
4
7
8
5
6
1
2
3
4
7
8
5
6
Don’t
care
Don’t care
B1-CHANNEL(CH0)
<SEL2B=”0”>
B2-CHANNEL(CH1)
<SEL2B=”0”>
VRX0 :
CODEC CH0 analog output is always at AGND level.
CODEC CH1 analog output is the signal converted from the PCM data of CH1 input through DR pin.
VRX1 :
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