zl50232 Zarlink Semiconductor, zl50232 Datasheet - Page 18

• Manufacturer Part Number: zl50232
• Description: 32 Channel Voice Echo Canceller
• Manufacturer: Zarlink Semiconductor

F0i
ST-BUS
F0i
GCI interface
Rin/Sin
Rout/Sout
Note: Refer to Figure 12 and Figure 13 for timing details.
Figure 9 - ST-BUS and GCI Interface Channel Assignment for 2 Mbps Data Streams
Byte
0Dh
1Dh
0Fh
13h
15h
17h
19h
1Bh
1Fh
11h
MS
Address +
-
-
-
-
-
-
-
-
-
-
-
-
Table 3 - Memory Mapping of Per Channel Control and Status Registers
Base
Byte
0Ah
0Bh
0Ch
0Eh
1Ah
1Ch
1Eh
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
12h
14h
16h
18h
LS
Channel 0
Error Peak Detect Reg
Decay Step Size Reg
Rin Peak Detect Reg
Sin Peak Detect Reg
Decay Step Number
Echo Canceller A
Flat Delay Reg
Step Size, MU
Control Reg 1
Control Reg 2
Control Reg 3
Control Reg 4
Noise Scaling
Noise Control
Status Reg
DTDT Reg
Reserved
Reserved
Reserved
Reserved
Reserved
NLPTHR
Gains
Zarlink Semiconductor Inc.
Channel 1
ZL50232
18
125 µsec
Byte
2Dh
3Bh
3Dh
2Fh
31h
33h
35h
37h
39h
3Fh
Address +
MS
-
-
-
-
-
-
-
-
-
-
-
-
Base
Byte
2Ch
2Eh
3Ch
20h
21h
22h
23h
24h
25h
27h
28h
29h
2Ah
2Bh
30h
32h
34h
36h
38h
3Ah
3Eh
26h
LS
Channel 30
Error Peak Detect Reg
Decay Step Size Reg
Rin Peak Detect Reg
Sin Peak Detect Reg
Decay Step Number
Echo Canceller B
Flat Delay Reg
Step Size, MU
Control Reg 1
Control Reg 2
Control Reg 3
Control Reg 4
Noise Scaling
Noise Control
Status Reg
DTDT Reg
Reserved
Reserved
Reserved
Reserved
Reserved
NLPTHR
Gains
Channel 31
Data Sheet