PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 126

• 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

MNS
MDISNOSP
MDIS
MDISPS
MHRES
MFREEZE
MNLP
MECBP
MONSTAT2[7:0] (Addr.: 2DH): Monitor of internal/external control states 2
The contents of individual bits of this register can also be output at pin FLEXMON1 or
FLEXMON2 if configured in register CONFLEXMON.
MERLBP
MDT
MFCM
MCSPR
MNR7NOSP
MNR7DIS
MNR7BY
MIDLE
MONSTAT3[7:0] (Addr.: 2EH): Monitor of internal/external control states 3
MTS16
MUCCD
MUCCFX
MSCDIS
MSCNLPDIS
MSCFREEZE
Data Sheet
ERLBP
TS16
M
M
UCCD
DT
M
M
'1': "no-voice" detected
'1': 2100Hz detected but without speech protection
'1': 2100Hz detected with speech protection
'1': 2100Hz with phase shift and speech protection detected
'1': H-Register reset
'1': H-Register frozen
'1': NLP active
'1': Entire echo cancellation path bypassed
'1': Subtractor bypassed because ERL > value of BYPTHL[4:0]
'1': near end subscriber is louder than the far end subscriber (true
'1': Fast convergence mode active
'1': Convergence stability protection for non-speech signals active
'1': 2010Hz (SS Nr.7) detected but without speech protection
'1': 2010Hz speech protection: second level reached (H-Register
'1': 2010Hz speech protection: first level reached (bypass of entire
'1': Idle channel detected
'1': channel disabled by TS16 CAS evaluation
'1': disable by UCC-DIS-Bit active
'1': UCC-FX bit active
'1': serial control signal DIS active
'1': serial control signal NLPDIS active
'1': serial control signal FREEZE active
double talk)
reset)
canceller)
UCCFX
FCM
M
M
SCDIS
CSPR
M
M
126
NLPDIS
NOSP
MSC
NR7
M
FREEZE
MSC
NR7
DIS
M
Register Description
CONV
MSC
NR7
DIS
BY
M
Rev. 2, 2004-07-28
PEB 20954
PEF 20954
MFLEX
SCTR
IDLE
M