PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 66
PEF 20954 HT V1.1
Manufacturer Part Number
PEF 20954 HT V1.1
Description
IC ECHO CANCELLER DGTL TQFP144
Manufacturer
Infineon Technologies
Datasheet
1.PEB_20954_HT_V1.1.pdf
(164 pages)
Specifications of PEF 20954 HT V1.1
Function
Smart Integrated Digital Echo Canceller (SIDEC)
Interface
PCM, Serial, UCC
Number Of Circuits
1
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
350mA
Power (watts)
900mW
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
144-LFQFP
Includes
Double Talk Detection
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
PEF20954HTV1.1
SP000007505
SP000007505
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4.2.6
Figure 27
Data Sheet
SI
TMFBI
SYNCI
TSIGM
SO
TMFBO
SI
Speech Highway Control Signals for CAS in T1 Systems
Timing of Supporting signals for CAS-BR Applications
0
Frame 1
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
66
22
Frame 6
23
Multiframe n (e.g. F12/SF)
Frame 6
24
Frame 10
Operational Description
CAS-BR Applications
Frame 12
Rev. 2, 2004-07-28
Frame 11
PEB 20954
Frame 7
0
PEF 20954
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