peb20954 Infineon Technologies Corporation, peb20954 Datasheet - Page 108
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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Preliminary Data Sheet
ERL
FCM
NOSPEECH
DIRAM[7:0] (Addr.: 67H): requested Data Input RAM value
DIRAM[7:0]
UCCOLD[7:0] (Addr.: 68H): Changed UCC input data old value
UCCOLD[7:0]
UCCNEW[7:0] (Addr.: 69H): Changed UCC input data new value
UCCNEW[7:0]
UCCSTAT[6:0] (Addr.: 6AH): UCC status
INVALID
NEW[7]
DIRAM
OLD[7]
UCC
UCC
[7]
INVALID
NEW[6]
DIRAM
OLD[6]
UCC
UCC
[6]
’0’: H-Register not reset
’1’: echo return loss > value of BYPTHL[4:0]
’0’: echo return loss not > value of BYPTHL[4:0]
’1’: fast convergence mode
’0’: normal convergence mode
’1’: no speech detected
’0’: speech detected
Requested UCC input data for UCC frame defined in
WRUCC.ARAM[4:0]
Data prior to the modification of the modified UCC frame that caused
the UCC interrupt. The corresponding frame number of the modified
frame value is stored in UCCSTAT.AFR[4:0].
Modified data of the changed UCC frame that caused the UCC
interrupt. The corresponding frame number of the modified
frame value is stored in UCCSTAT.AFR[4:0].
’1’: possible data loss, because old interrupt has not yet been
processed
NEW[5]
DIRAM
OLD[5]
SYNC
UCC
UCC
NO
[5]
NEW[4]
DIRAM
OLD[4]
AFR[4]
UCC
UCC
[4]
108
NEW[3]
DIRAM
OLD[3]
AFR[3]
UCC
UCC
[3]
NEW[2]
DIRAM
OLD[2]
AFR[2]
UCC
UCC
[2]
Register Description
NEW[1]
DIRAM
OLD[1]
AFR[1]
UCC
UCC
[1]
PEB 20954
PEF 20954
NEW[0]
DIRAM
OLD[0]
AFR[0]
UCC
UCC
[0]
04.99
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