參數(shù)資料
型號: PSB21911
廠商: SIEMENS A G
元件分類: 數(shù)字傳輸電路
英文描述: ISDN Echocancellation Circuit for Terminal Applications IEC-Q TE
中文描述: DATACOM, ISDN ECHO CANCELLER
文件頁數(shù): 61/164頁
文件大?。?/td> 1401K
代理商: PSB21911
PSB 21911
PSF 21911
U-Transceiver
Semiconductor Group
61
11.97
Notes:
b … b internal coefficient value
c … c
internal coefficient address
r … r
result from block error counter
0
1111 1010
RBEF
Read Far-End Block Error Counter
. The value
of the far-end block error counter is returned and
the counter is reset to zero. The maximum value
is FF
H
.
Answer Block Error Counter
. The value of the
requested block error counter is returned (8 bit).
Read Identification
. Request for device
identification.
Answer identification
. Reply to an RID is ’03
H
’.
Set FEBE Bit
to 0
Read Coeffiecient
Data Coefficients
, 2 bytes.
Data bits D0 … D 7, 1. byte
Data bits D8 … D15, 2. byte
0
r r r r r r r r
ABEC
0
0000 0000
RID
0
0
1
r r r r r r r r
1111 1001
cccc cccc
AID
SFB
RCOEF
1
1
bbbb bbbb
bbbb bbbb
DCOEF
Table 13
Mon-8 Local Function Commands
(cont’d)
r
Code
D7-D0 (Bin)
Direction
D
Function
Local Commands
U
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