參數(shù)資料
型號： MT9315
廠商： Zarlink Semiconductor Inc.
英文描述： CMOS Acoustic Echo Canceller
中文描述： 聲學回聲消除器的CMOS
文件頁數(shù)： 19/30頁
文件大?。?/td> 361K
代理商： MT9315
MT9315
Advance Information
18
Gain Values for Receive Gain Control Register Bit G3 to G0 (RGC)
Address:
22h Read
Acoustic Echo Canceller Status Register
(ASR)
(
* Do not write to this register
)
Power Up
Reset 00h
NBS
When high, the Narrowband signal has been detected in the Sin/Sout path and when low, the Narrowband signal has not
been detected in the Sin/Sout path
NB
LOGICAL OR of the status bit NBS + NBR from LSR Register
DT
When high the Double Talk is detected and when low, the Double talk is not detected
NLPDC
When high, the NLP is activated and when low the NLP is not activated
-
RESERVED.
HWLNG
When high, Howling is occurring in the loop and when low, no Howling is detected
ACMUND
When high, No active signal in the Rin/Rout path
-
RESERVED.
Address:
02h Read
Line Echo Canceller Status Register
(LSR)
(
* Do not write to this register
)
Power Up
Reset 00h
NBR
detected in the Rin path
NB
This bit indicates a LOGICAL-OR of Stattus bits NBR + NBS ( from ASR Register)
DT
When high, double-talk is detected and when low double-talk is not detected
NLPC
When high, NLP is actiivated and when low NLP is not activated
-
RESERVED.
.
-
-
--
Address:
20h R/W
Receive Gain Control Register
(RGC)
Power Up
Reset 6Dh
G0
User Gain Control on the Rin/Rout path (Tolerance of gains: +/- 0.15 dB).
The hexadecimal number represents G3 to G0 value in the table below.
G1
G2
G3
-
RESERVED
-
-
-
0h
-24dB
4h
-12dB
8h
0 dB
Ch
+12 dB
1h
-21dB
5h
-9 dB
9h
+ 3 dB
Dh
+ 15 dB
2h
-18dB
6h
-6 dB
Ah
+ 6 dB
Eh
+ 18 dB
3h
-15dB
7h
-3 dB
Bh
+9 dB
Fh
+ 21 dB
7
6
5
0
4
3
1
2
-
ACMUND
HWLNG
-
NLPDC
DT
NB
NBS
LSB
MSB
7
6
5
0
4
3
1
2
LSB
MSB
-
GO
G1
G2
G3
-
-
-
7
6
5
0
4
3
1
2
LSB
MSB
-
NBR
NB
DT
NLPC
-
-
-
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相關代理商/技術參數(shù)
參數(shù)描述
MT9315AE 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:CMOS Acoustic Echo Canceller
MT9315AP 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:CMOS Acoustic Echo Canceller
MT933 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:3.3V 10/100 Fast Ethernet Transceiver to MII
MT933CG 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:3.3V 10/100 Fast Ethernet Transceiver to MII
MT933TP1N 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:3.3V 10/100 Fast Ethernet Transceiver to MII
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