W6692 Просмотр технического описания (PDF) - Winbond

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W6692

PCI Bus ISDN S/T-Controller

Winbond 

Preliminary Data Sheet

W6692 PCI ISDN S/T-Controller

48 bits in 250 µs

NT → TE

D L F L B1B1B1B1B1B1B1B1 E D A FAN B2B2B2B2B2B2B2B2 E D MB1B1B1B1B1B1B1B1 E D

0 LFL

1

0

2 bits offset

S B2B2B2B2B2B2B2B2 E D

TE → NT

D L F L B1B1B1B1B1B1B1B1 L D L FA L

B2B2B2B2B2B2B2B2 L D L B1B1B1B1B1B1B1B1 L D

L

0 B2B2B2B2B2B2B2B2 L D L F L

1

0

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=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

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 pass bus. They are

shown in Fig.7.2.

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Publication Release Date: Sep 30, 1999

Revision 0.9

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