peb20954 Infineon Technologies Corporation, peb20954 Datasheet - Page 93
peb20954
Manufacturer Part Number
peb20954
Description
Smart Integrated Digital Echo Canceller Sidec
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEB20954.pdf
(132 pages)
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CONFSCU8[7:0] (Addr.: 19H), Configuration of speech control unit 8, write protected,
Reset value = EEH
BNMAXSL[3:0]
BNMAXRL[3:0]
CONFSCU9[7:0] (Addr.: 1AH), Configuration of speech control unit 9, write protected,
Reset value = 44H
Bypass of Non Linear Processor (NLP), Subtractor and Attenuator (Receive and Send
path):
DISBY
PSBY
Disable/Bypass of NLP:
DISNLPDIS
Preliminary Data Sheet
BNMAX
DISBY
SL[3]
BNMAX
PSBY
SL[2]
"00": 16 ms
"0000":
"0001":
"0010":
"0011":
"0100":
...
"1110":
"1111":
"0000":
"0001":
"0010":
"0011":
"0100":
...
"1110":
"1111":
’1’: bypass via 2100 Hz Disabler with phase shift
’0’: no disable via 2100 Hz Disabler without phase shift
’1’: disable via 2100 Hz Disabler even without phase shift
Maximum send path level for background noise measurement
Maximum receive path level for background noise measurement
’0’: no bypass via 2100 Hz Disabler without phase shift
’1’: bypass via 2100 Hz Disabler even without phase shift
’0’: no bypass via 2100 Hz Disabler even with phase shift
DISNLP
BNMAX
SL[1]
DIS
minus infinite
-66 dBm0
-63 dBm0
-60 dBm0
-57 dBm0
-27 dBm0
-24 dBm0 (not possible)
minus infinite
-66 dBm0
-63 dBm0
-60 dBm0
-57 dBm0
-27 dBm0
-24 dBm0 (not possible)
"01": 8 ms
BNMAX
PSNLP
SL[0]
DIS
93
BNMAX
HRES
RL[3]
DIS
"10": 4 ms
BNMAX
HRES
RL[2]
PS
"11": 2 ms
Register Description
BNMAX
PSLM
RL[1]
RES
PEB 20954
PEF 20954
BNMAX
RL[0]
RES
DIS
04.99
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