参数资料
型号: W6692ACF
厂商: WINBOND ELECTRONICS CORP
元件分类: 数字传输电路
英文描述: DATACOM, ISDN CONTROLLER, PQFP100
封装: QFP-100
文件页数: 11/98页
文件大小: 584K
代理商: W6692ACF
Data Sheet
W6692A PCI ISDN S/T-Controller
Publication Release Date:
Mar,2000
Revision 1.0
-19 -
FIG.7.1 FRAME STRUCTURE AT S/T INTERFACE
There are three wiring configurations according to I.430 : point-to-point, short passive bus and extended passive bus. They are
shown in Fig.7.2.
D L
F
L B1B1B1B1B1B1B1B1 E D A FA N B2B2B2B2B2B2B2B2
E D M B1 B1B1B1B1B1 B1B1 E D
S B2B2B2B2 B2B2B2B2 E D L
F
L
0
1
0
NT
→ TE
D L
F L B1B1B1B1B1B1B1B1 L D L FA L
B2B2B2B2B2B2B2B2 L D L B1B1 B1B1B1B1B1B1
L D L B2B2B2 B2B2 B2B2B2 L D L
F
L
0
1
0
TE
→ NT
48 bits in 250
s
2 bits offset
F = Framing bit
L = DC balancing bit
D = D channel bit
E = D channel echo bit
FA = Auxiliary framing bit or Q-bit
N = Bit set to a binary value N= NOT FA
B1 = Bit within B channel 1
B2 = Bit within B channel 2
A = Bit used for activation
S = Bit used for S channel
M = Multiframe bit
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