PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 125

• Manufacturer Part Number: PEF 20954 HT V1.1
• Description: IC ECHO CANCELLER DGTL TQFP144
• Manufacturer: Infineon Technologies

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

MONERL[7:0] (Addr.: 25H): Monitor Echo return loss
The content of this register is encoded logarithmically. For conversion to dB see
Table 38
MONCL[7:0] (Addr.: 26H): Monitor combined loss without NLP
The content of this register is encoded logarithmically. For conversion to dB see
Table 38
MONNLPTHL[7:0] (Addr.: 27H): Monitor NLP threshold level
The content of this register is encoded logarithmically. For conversion to dBm0 see
Table 38
MONOCDT[7:0] (Addr.: 28H): Monitor overcompensation and double talk hang-over
time
MONOCE[3:0]
MONDTHOT[3:0] Double talk hang-over time
MONSTAT1[7:0] (Addr.: 2CH): Monitor of internal/external control states 1
Data Sheet
OCE[3]
ERL[7]
THL[7]
MON
MON
CL[7]
MON
MON
MNS
NLP
.
.
.
OCE[2]
ERL[6]
THL[6]
NOSP
MON
MON
CL[6]
MON
MON
NLP
DIS
M
Overcompensation evaluation
OCE[1]
ERL[5]
THL[5]
CL[5]
MON
MON
MON
MON
NLP
DIS
M
OCE[0]
ERL[4]
THL[4]
DISPS
CL[4]
MON
MON
MON
MON
NLP
M
125
DTHOT
ERL[3]
THL[3]
HRES
MON
MON
CL[3]
MON
MON
NLP
[3]
M
FREEZE
DTHOT
ERL[2]
THL[2]
CL[2]
MON
MON
MON
MON
NLP
[2]
M
Register Description
DTHOT
ERL[1]
THL[1]
CL[1]
MON
MON
MON
MON
NLP
NLP
[1]
M
Rev. 2, 2004-07-28
PEB 20954
PEF 20954
DTHOT
ERL[0]
THL[0]
ECBP
CL[0]
MON
MON
MON
MON
NLP
[0]
M