ZL50233GD ETC, ZL50233GD Datasheet - Page 21

• Manufacturer Part Number: ZL50233GD
• Description: 4 Channel Voice Echo Cancellor
• Manufacturer: ETC

Data Sheet
Note: Bits marked with “0” are reserved bits and should be written “0”
Reserve
Reserve
Reserve
Reserve
Reserve
DTDet
Bit 7
TDG
Bit 7
Bit 7
FD7
Bit 7
NS7
TD
NB
0
Power-up
Power-up
Power-up
Power-up
00
00
00
00
hex
hex
hex
hex
Reserved bit.
Logic high indicates the presence of a 2100Hz tone.
Logic high indicates the presence of a double-talk condition.
Reserved bit.
Reserved bit.
Reserved bit.
Tone detection status bit gated with the AutoTD bit. (Control Register 2)
Logic high indicates that AutoTD has been enabled and the tone detector has detected the
presence of a 2100Hz tone.
Logic high indicates the presence of a narrow-band signal on Rin.
Bit 6
Bit 6
Bit 6
FD6
Bit 6
NS6
TD
0
DTDet
Bit 5
Bit 5
Bit 5
FD5
Bit 5
NS5
ECA: Decay Step Size Control Register (NS)
ECB: Decay Step Size Control Register (NS)
0
Functional Description of Register Bits
ECA: Decay Step Size Register (NS)
ECB: Decay Step Size Register (NS)
ECA: Flat Delay Register (FD)
ECB: Flat Delay Register (FD)
ECA: Status Register
ECB: Status Register
Reserve
Zarlink Semiconductor Inc.
Bit 4
Bit 4
Bit 4
Bit 4
FD4
NS4
0
Reserve
Bit 3
Bit 3
Bit 3
Bit 3
FD3
NS3
0
Reserve
SSC2
Bit 2
Bit 2
NS2
Bit 2
Bit 2
FD2
07
02
22
04
24
06
26
27
SSC1
TDG
Bit 1
Bit 1
NS1
Bit 1
FD1
Bit 1
hex
hex
hex
hex
hex
hex
hex
hex
R/W Address:
R/W Address:
R/W Address:
R/W Address:
R/W Address:
R/W Address:
R/W Address:
R/W Address:
+ Base Address
+ Base Address
+ Base Address
+ Base Address
+ Base Address
+ Base Address
+ Base Address
+ Base Address
ZL50233
SSC0
Bit 0
Bit 0
NS0
Bit 0
Bit 0
FD0
NB
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