PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 50

• 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

Figure 11
Data Sheet
TUCCO
TUCCO
SCLKI
SYNCI
SYNCI
SYNCI
Note: * means SMLP bit is only in UCC-Frame FRS if configured
SCLKI
UCCO
UCCO
SCLKI
UCCO
UCCI
UCCI
UCCI
frame 3
frame 3
channel 31
channel 31
UCC Signal for control of PCM Signal
frame 3,
frame 3,
Bit 0
frame 4
frame 4
125 s
channel 31
channel 31
SMLP*
-
frame 4,
frame 4,
Bit 0
-
SMLP*
frame 5
frame 5
UCC frame 4, channel 0 controls PCM channel 4 of the SIDEC
Reg. UCCMFR = 05H (next frame = frame 5), Reg. UCCALIGN = 01H
-
-
channel 0, frame 4
channel 0, frame 4
DIS-Bit
4 ms
UCC frame 5, channel 0 controls PCM channel 5 of the SIDEC
50
32 frames numbered from 0 to 31
-
V-Bit
frame 2
frame 2
channel 0, frame 5
channel 0, frame 5
DIS-Bit
high (low active)
FX-Bit 2 FX-Bit 1
V-Bit
frame 3
frame 3
FX-Bit 2 FX-Bit 1
FX-Bit 0
Functional Description
frame 4
frame 4
channel 1
frame 4,
Bit 7
Rev. 2, 2004-07-28
FX-Bit 0
PEB 20954
PEF 20954
UCC Interface
frame 5
frame 5
channel 1
frame 5,
Bit 7