PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 15

• 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

1.2
Figure 1
Data Sheet
Synchronization
Interface
Highway
General Pins
Speech
Logic Symbol
Logic Symbol of the SIDEC
PORES
MODE1
MODE0
CLK32SEL
CLK32
CTRL32
SCLKI
SCLKO
SYNCI
SYNCO
SDECI
SDECO
RFCLKF
RFCLKN
RFCLKEX
CLK16
CTRL16
RFSPF
RFSPN
CLK4O
SI
RI
SO
RO
SO128
RO128
UPRES
UPRES
Watchdog
TDI
Interface
Scan Test
Boundary
Interface
TDO
DISWD
TMS
UPRESI
TRST
TCK
PEB 20954
SIDEC
UCCI
Interface
KSCMOD
Interface
15
UCC
UCCO TUCCO
Test
KSCEN
TEST
Microcontroller
TSIGM
Interface
UPIO0 UPIO2
Highway
Extension
Speech
Control
UPIO1
TMFBO
Port
TMFBI
UPIO3
Logic Symbol SIDEC
Rev. 2, 2004-07-28
DIS
NLPDIS
FREEZE
CONVDIS
ENCC
FLEXSCTR
DISMON
NLPDISMON
FREEZEMON
HRESMON
FLEXMON1
FLEXMON2
CONVDISMON
CCMON
IM0
IM1
CS0
CS1
ALE
RD/DS
WR/RW
INT
RDY
A0 - A6
AD0 - AD7
Processor
Interface
Interface
Introduction
Control
PEB 20954
PEF 20954
Serial