MT9123AE 데이터 시트보기 (PDF) - Mitel Networks
부품명
상세내역
일치하는 목록
MT9123AE Datasheet PDF : 32 Pages
| |||
MT9123
Preliminary Information
Echo Canceller A, Double-Talk Detection Threshold Register 2 ADDRESS = 15h WRITE/READ VERIFY
Echo Canceller B, Double-Talk Detection Threshold Register 2 ADDRESS = 35h WRITE/READ VERIFY
DTDT
DTDT15 DTDT14 DTDT13 DTDT12 DTDT11 DTDT10
7
6
5
4
3
2
DTDT9
1
DTDT8
0
Power Reset Value
48h
Echo Canceller A, Double-Talk Detection Threshold Register 1 ADDRESS = 14h WRITE/READ VERIFY
Echo Canceller B, Double-Talk Detection Threshold Register 1 ADDRESS = 34h WRITE/READ VERIFY
DTDT
DTDT7 DTDT6 DTDT5 DTDT4 DTDT3 DTDT2 DTDT1 DTDT0
Power Reset Value
00h
7
6
5
4
3
2
1
0
This register allows the user to program the level of Double-Talk Detection Threshold (DTDT). The 16 bit 2’s complement linear
value defaults to 4800h= 0.5625 or -5dB. The maximum value is 7FFFh = 0.9999 or 0 dB. The high byte is in Register 2 and
the low byte is in Register 1.
Echo Canceller A, Non-Linear Processor Threshold Register 2 ADDRESS = 19h WRITE/READ VERIFY
Echo Canceller B, Non-Linear Processor Threshold Register 2 ADDRESS = 39h WRITE/READ VERIFY
NLPTHR NLP15
7
NLP14
6
NLP13
5
NLP12
4
NLP11
3
NLP10
2
NLP9
1
NLP8
0
Power Reset Value
08h
Echo Canceller A, Non-Linear Processor Threshold Register 1 ADDRESS = 18h WRITE/READ VERIFY
Echo Canceller B, Non-Linear Processor Threshold Register 1 ADDRESS = 38h WRITE/READ VERIFY
NLPTHR NLP7 NLP6
NLP5 NLP4 NLP3 NLP2
NLP1 NLP0
Power Reset Value
00h
7
6
5
4
3
2
1
0
This register allows the user to program the level of the Non-Linear Processor Threshold (NLPTHR). The 16 bit 2’s complement
linear value defaults to 0800h = 0.0625 or -24.1dB. The maximum value is 7FFFh = 0.9999 or 0 dB. The high byte is in
Register 2 and the low byte is in Register 1.
Echo Canceller A, Adaptation Step Size (MU) Register 2
Echo Canceller B, Adaptation Step Size (MU) Register 2
ADDRESS = 1Bh WRITE/READ VERIFY
ADDRESS = 3Bh WRITE/READ VERIFY
MU
MU15 MU14
MU13
MU12
MU11 MU10
MU9
MU8
Power Reset Value
40h
7
6
5
4
3
2
1
0
Echo Canceller A, Adaptation Step Size (MU) Register 1
Echo Canceller B, Adaptation Step Size (MU) Register 1
ADDRESS = 1Ah WRITE/READ VERIFY
ADDRESS = 3Ah WRITE/READ VERIFY
MU
MU7
MU6
MU5
MU4
MU3 MU2
MU1
MU0
Power Reset Value
00h
7
6
5
4
3
2
1
0
This register allows the user to program the level of MU. MU is a 16 bit 2’s complement value which defaults to 4000h = 1.0
The high byte is in Register 2 and the low byte is in Register 1.
8-64
Share Link: 