Advance Information
MT9300
Echo Canceller A, Status Register
Echo Canceller B, Status Register
Read Address:
Read Address:
02 + Base Address
H
22 + Base Address
H
7
6
5
4
3
2
1
0
res
TD
DTDet
res
res
res
TDG
NB
Reset Value:
00 .
H
Bit
Name
Description
7
6
5
4
3
2
1
res
TD
Reserved bit.
Logic high indicates the presence of a 2100Hz tone.
DTDet
res
Logic high indicates the presence of a double-talk condition.
Reserved bit.
Reserved bit.
Reserved bit.
res
res
TDG
Tone detection status bit gated with the AutoTD bit.
Logic high indicates that AutoTD has been enabled and the tone detector has
detected the presence of a 2100Hz tone.
0
NB
Logic high indicates the presence of a narrow-band signal on Rin.
15
MITEL [ MITEL NETWORKS CORPORATION ]
