peb20954 Infineon Technologies Corporation, peb20954 Datasheet - Page 96

• Manufacturer Part Number: peb20954
• Description: Smart Integrated Digital Echo Canceller Sidec
• Manufacturer: Infineon Technologies Corporation

Preliminary Data Sheet
DBPMIN[1:0]
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]
NR7[3]
DIS
NR7[2]
DIS
"00": 749 ms
"10": 916 ms
Minimum interruption time that results in response:
"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
96
NR7[3]
BY
"01": 833 ms
"11": 999 ms
"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
PEB 20954
PEF 20954
NR7[0]
BY
04.99