MT9315 Zarlink Semiconductor, MT9315 Datasheet - Page 24

• Manufacturer Part Number: MT9315
• Description: Acoustic Echo CANceller
• Manufacturer: Zarlink Semiconductor

Advance Information
Reset 00h
Reset 10h
Reset 00h
Power Up
Power Up
Power Up
Address:
Address:
Address:
3Ch R/W
3Dh R/W
1Ch R/W
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
A_AS
L_AS
L_AS
L_AS
L_AS
L_AS
L_AS
L_AS
L_AS
10
11
12
13
14
15
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
8
9
MSB
This register allows the user to program control the adaptation speed of the Acoustic Echo Canceller. This register value
changes dynamically when the ’ASC-’ bit in the Acoustic Echo Canceller Control Register is low. The ’ASC-’ bit must be 1
when this register is under user control. The valid range is from 0000h to 7FFFh. The high byte is in Register 2 and the low
byte is in Register 1. Smaller values correspond to slower adaptation speed.
See Above description
This register allows the user to program control the adaptation speed of the Line Echo Canceller. This register value
changes dynamically when the ’ASC-’ bit in the Acoustic Echo Canceller Control Register is low. The ’ASC-’ bit must be 1
when this register is under user control. The valid range is from 0000h to 7FFFh. The high byte is in Register 2 and the low
byte is in Register 1. Smaller values correspond to slower adaptation speed.
MSB
MSB
7
7
7
A_AS
L_AS
A_AS
Acoustic Echo Canceller Adaptation Speed Register
Acoustic Echo Canceller Adaptation Speed Register
7
7
15
Line Echo Canceller Adaptation Speed Register
6
6
6
A_AS
A_AS
L_AS
6
14
6
5
5
5
A_AS
A_AS
L_AS
5
13
5
4
4
4
A_AS
A_AS
L_AS
4
12
4
3
3
3
A_AS
A_AS
L_AS
11
3
3
2
2
2
A_AS
A_AS
L_AS
10
2
2
1 (L_AS1)
1
1
1
1 (A_AS1)
2 (A_AS2)
A_AS
A_AS
L_AS
1
9
1
0
0
0
MT9315
A_AS
L_AS
A_AS
0
0
8
LSB
LSB
LSB
23