peb20954 Infineon Technologies Corporation, peb20954 Datasheet - Page 92

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

Preliminary Data Sheet
SWMINATT[2:0]
CONFSCU6[7:0] (Addr.: 17H): Configuration of speech control unit 6, write protected,
Reset value = 2AH
RELADD[2:0]
RIMIN[2:0]
Offset:
OFCNT[1:0]
CONFSCU7[7:0] (Addr.: 18H): Configuration of speech control unit 7, write protected,
Reset value = 8AH
NLP comfort noise:
NOISEINC[3:0]
BNINC[1:0]
BNDEC[1:0]
ADD[2]
NOISE
INC[3]
REL
ADD[1]
NOISE
INC[2]
REL
Minimum attenuation for switchover to final residual echo level
"000": 0 dB
"100": 12 dB "101": 15dB "110": 18dB "111": 21dB
Safety increment for the residual echo limiter threshold
"000": 0 dB
"100": 12 dB "101": 15 dB "110": 18 dB "111": 21 dB
Reduction of receive path level for determination of the temporary
NLP threshold
"000": 0 dB
"100": 12 dB "101": 15 dB "110": 18 dB "111": 21 dB
Count period for offset measurements
"00": disabled
"10": 16 ms
Increase of the noise level for maximum level evaluation
"0000": -6 dB
"0010": -3 dB
"0100": +0 dB
"0110": +3 dB
"1000": +6 dB
"1010": +9 dB
"1100": +12 dB
"1110": +15 dB
Incrementing period for background noise evaluation counter
"00": 64 ms
Decrementing period for background noise evaluation counter
ADD[0]
NOISE
INC[1]
REL
"001": 3 dB
"001": 3 dB
"001": 3 dB
"01": 32 ms
NOISE
MIN[2]
INC[0]
RI
92
MIN[1]
INC[1]
BN
"010": 6 dB
RI
"010": 6 dB
"010": 6 dB
"01": 64 ms
"11": 1 ms
"0001": -4.5 dB
"0011": -1.5 dB
"0101": +1.5 dB
"0111": +4.5 dB
"1001": +7.5 dB
"1011": +10.5 dB
"1101": +13.5 dB
"1111": +16.5 dB
"10": 16 ms
MIN[0]
INC[0]
BN
RI
"011": 9 dB
"11": 8 ms
"011": 9 dB
"011": 9 dB
Register Description
CNT[1]
DEC[1]
OF
BN
PEB 20954
PEF 20954
CNT[0]
DEC[0]
OF
BN
04.99