MT9315 Zarlink Semiconductor, MT9315 Datasheet - Page 25

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

MT9315
24
Reset 3Eh
Reset 08h
Reset 80h
Power Up
Power Up
Power Up
Address:
Address:
Address:
1Dh R/W
24h R/W
25h R/W
L_AS
L_AS
L_AS
L_AS
L_AS
L_AS
L_AS
L_AS
L
L
L
L
L
L
L
L
L
-
-
-
-
-
-
-
0
1
2
3
4
5
6
7
8
10
11
12
13
14
15
8
9
MSB
See Above description
MSB
RESERVED
This bit is used in conjunction with Rout Limiter Register 2. (See description below.)
In conjunction with bit 7 (L
threshold value in the Rout path.
Default value is (1f40)h which is equal to 3.14dBmo
Maximum value is (7FC0 )h = 15 dBmo
Minimum value is (0040)h = -38 dBmo
MSB
7
7
7
L_AS
L
L
8
0
15
Line Echo Canceller Adaptation Speed Register
6
6
6
L_AS
L
7
-
0
14
) of the above (RL1) register, this register (RL2) allows the user to program the output Limiter
5
5
5
L_AS
L
-
Rout Limiter Register 1
Rout Limiter Register 2
6
13
4
4
4
L_AS
L
5
-
12
3
3
3
L_AS
L
-
4
11
(RL1)
(RL2)
2
2
2
L_AS
L
-
3
10
2 (L_AS2)
Advance Information
1
1
1
L_AS
L
-
2
9
0
0
0
L_AS
-
L
1
8
LSB
LSB
LSB