PEF 20954 HT V1.1 Infineon Technologies, PEF 20954 HT V1.1 Datasheet - Page 108

• 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

DBPMAX[2:0]
DBPMIN[1:0] and DBPMAX[2:0] determine the evaluation window.
CONFSS7[7:0] (Addr.: 1DH): Configuration of SS7 continuity check tone detection,
write protected, Reset value = 00H
If CONFSS7[7:0] = 00H the 2010 Hz tone detection is disabled.
DISNR7[3:0]
BYNR7[3:0]
Data Sheet
NR7[3]
DIS
NR7[2]
DIS
"00": 1.125 ms
"10": 3.375 ms
Maximum interruption time that results in response:
"000": 27 ms
"010": 29 ms
"100": 32 ms
"110": 34 ms
protection time for reset of H-register after SS7 continuity check tone
detection. For this time the 2010 Hz signal must be applied to the
SIDEC to reset the H-Register.
"0000": no reset
"0010": 16ms
"0100": 32ms
"0110": 48ms
"1000": 64ms
"1010": 80ms
"1100": 96ms
"1110": 112ms
protection for bypass of the canceller after SS7 continuity check
tone detection. For this time the 2010 Hz signal must be applied to
the SIDEC to bypass the Echo Canceller.
"0000": no bypass
"0010": 16ms
"0100": 32ms
"0110": 48ms
"1000": 64ms
"1010": 80ms
"1100": 96ms
"1110": 112ms
NR7[1]
DIS
NR7[0]
DIS
108
NR7[3]
BY
"01": 2.250 ms
"11": 4.500 ms
"001": 28 ms
"011": 30 ms
"101": 33 ms
"111": 35 ms
"0001": 8ms
"0011": 24ms
"0101": 40ms
"0111": 56ms
"1001": 72ms
"1011": 88ms
"1101": 104ms
"1111": 120ms
"0001": 8ms
"0011": 24ms
"0101": 40ms
"0111": 56ms
"1001": 72ms
"1011": 88ms
"1101": 104ms
"1111": 120ms
NR7[2]
BY
Register Description
NR7[1]
BY
Rev. 2, 2004-07-28
PEB 20954
PEF 20954
NR7[0]
BY