ZL38002_07 Datasheet, PDF (35/51 Pages) Zarlink Semiconductor Inc – Digital Echo Canceller for Hands Free Communication

ZL38002
Data Sheet
Read/Write Page 0, Address: 29_H
Reset Value: 04_H
15
14
13
MUURAT15 MUURAT14 MUURAT13
12
MUURAT12
11
MUURAT11
10
MUURAT10
9
MUURAT9
8
MUURAT8
Read/Write Page 0, Address: 28_H
Reset Value: 96_H
7
6
5
MUURAT7
MUURAT6 MUURAT15
4
MUURAT4
3
MUURAT3
2
MUURAT2
1
MUURAT1
0
MUURAT0
Bit
Name
Description
15-0
MUURAT15-
MUURAT0
Threshold for deciding near end speech (mu = 0). 1000h = 1.0.
Register Table 18 - Near-End Speech Detection Threshold Registers (NESDT1) & (NESDT2)
Read/Write Page 0, Address: 31_H
Reset Value: 04_H
15
14
13
DTTH2
DTTH1
DTTH1
Read/Write Page 0, Address: 30_H
Reset Value: 96_H
7
6
5
DTHOT7
DTHOT6
DTHOT5
12
DTHOT12
11
DTHOT11
10
DTHOT10
4
DTHOT4
3
DTHOT3
2
DTHOT2
9
DTHOT9
1
DTHOT1
8
DTHOT8
0
DTHOT0
Bit
Name
Description
13-15
12-0
DTTH2DTTH0
DTHOT12-DTHOT0
Double Talk Threshold- in 6 dB increments from -30 dB to (0h = -30 dB, 7h
= +12 dB
Double-Talk hand-over time
Register Table 19 - Near-End Speech Detection Threshold Registers (DTHOT1) & (DTHOT2)
35
Zarlink Semiconductor Inc.