參數(shù)資料
型號: TECO3264
廠商: Lineage Power
英文描述: 32-Channel Echo Canceller(32通道回波清除器)
中文描述: 32通道回聲消除器(32通道回波清除器)
文件頁數(shù): 69/128頁
文件大?。?/td> 2328K
代理商: TECO3264
Data Sheet
August 1999
TECO3264 32-Channel Echo Canceller
69
Lucent Technologies Inc.
Register Architecture
(continued)
Page 0 Read/Write Registers 000
07FE
(continued)
Nonlinear Processor (NLP) Control Masks Register
Table 27. Nonlinear Processor (NLP) Control Masks Register (022) [41]
Bit
0
Symbol
MNLPINT
Parameter Name and Description
Mask Internal Nonlinear Processor (NLP) Control.
Mask for internal (normal) control
of NLP. If ENLP = 0, the NLP is only open if some other unmasked control opens the
NLP; this unmasked bit is MNLPINT.
The ENLP bit (per-channel control registers 000—01F) opens and closes the NLP on a
static basis. That is, if ENLP = 1, the NLP is always open. Internal control of the NLP can
be masked for all channels, but not for individual channels for MNLPINT = 0.
0 = Mask, do not allow internal control of NLP
1 = Allow control [recommended value].
Mask External NLP Control
. Mask for the external NLPEN pin control of NLP.
1
MNLPEXT
0 = Mask, do not allow external pin control of NLP [recommended value].
1 = Allow control.
Mask NLP Transient Control.
Mask for transient control of NLP.
2
MTNLP
0 = Mask, do not allow transient control of NLP [recommended value].
1 = Allow control.
Mask External NLP Freeze Control.
Mask for control of NLP freeze by the external
NLPFRZ input.
3
MNLPFRZ
0 = Mask, do not allow external control of NLP freeze [recommended value].
1 = Allow external control.
Mask EC HPF Control X.
Mask for echo canceller control to also enable/disable high-
pass filter in X direction.
4
MHPFXEC
0 = Mask, do not allow echo canceller control of HPF in X direction [recommended value].
1 = Allow control. (When the EC is disabled, the HPF is also disabled.)
Mask EC HPF Control Y.
Mask for EC control to also enable/disable high-pass filter in Y
direction.
5
MHPFYEC
0 = Mask, do not allow EC control of HPF in Y direction [recommended value].
1 = Allow control. (When the EC is disabled, the HPF is also disabled.)
Mask H-Register Freeze
. Mask for NES and not-FES control of H freeze.
6
MFREEZE
0 = Mask, do not allow NES/not-FES control of H freeze.
1 = Allow control [recommended value].
Reserved.
Set to 0.
7
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