peb20954 Infineon Technologies Corporation, peb20954 Datasheet - Page 53

• Manufacturer Part Number: peb20954
• Description: Smart Integrated Digital Echo Canceller Sidec
• Manufacturer: Infineon Technologies Corporation

4.3.7
Figure 27
Preliminary Data Sheet
Speech Highway Control Signals for CAS in T1 Systems
SI
TMFBI
SYNCI
TSIGM
SO
TMFBO
SI
Timing of Supporting signals for CAS-BR Applications
Frame 1
0
Frame 12
Transmit Multiframe Begin; indication bit 7 channel 0
System Synchronisation Input Pulse
Using FALC in channel translation mode 1
TSIGM marks robbed bit position in frame 6 and 12 in each multiframe
The delay of TMFBI to TMFBO is identical to the delay of SI to SO
1
Frame 2
2
bit 7 channel 0
Frame 1
Multiframe n (e.g. F12/SF)
Transmit Multiframe Begin; indication bit 7 channel 0
53
22
Frame 6
23
Multiframe n (e.g. F12/SF)
Frame 6
24
Frame 10
Operational Description
Frame 12
Frame 11
Frame 7
0
PEB 20954
PEF 20954
04.99