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): 156/164頁
文件大?。?/td> 1401K
代理商: PSB21911
Semiconductor Group
156
11.97
PSB 21911
PSF 21911
Appendix
Figure 65 State machine (part 1)
Reset
D0=0;SG=Z
1
PMODE = 0
or ACT = 0
or TE = 0
S/G to 0
D0=0;SG=0
2
S/G to 1
D0=0;SG=1
3
(PMODE=ACT=TE=1)
and (BS=CBAC=0)
and (SGL=1)
S/G-4T to 0
D0=0;SG=0
4
BS=1 and SGL=0
S/G-4T to 1
D0=0;SG=1
5
S/G transp.
D0=0;SG=Z
6
S/G transp. 1
D0=0;SG=1
7
EOC=25
(BS=SGL=1)
S/G transp. 0
D0=0;SG=0
8
EOC=27
EOC=27
EOC=25
1
1
(PMODE=ACT=TE=1)
and (BS=SGL=0)
EOC=25
T4 set
T4 expired
and CBAC=0
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