W6691CD WINBOND [Winbond], W6691CD Datasheet - Page 29
W6691CD
Manufacturer Part Number
W6691CD
Description
ISDN S/T Interface Transceiver
Manufacturer
WINBOND [Winbond]
Datasheet
1.W6691CD.pdf
(106 pages)
- Current page: 29 of 106
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Activate indication with priority
class 2
Clock disabled
7.2.3.2 State Transition Diagrams in TE/LT-T
I.430 (TABLE 5/I.430). The "command" and "s receive" entries in each state octagon keep the state, the
"indication" and "s transmit" entries in each state octagon are the state outputs. For example, at "F3
Deactivated with clock" state, the layer 1 will stay at this state if the command is "ECK" and the INFO 0 is
received on S interface. At this state, it provides "CE" indication to the microprocessor and transmits INFO 0
on S interface. The "AR8/10" command causes transition to F4 and non-INFO 0 signal causes transition to F5.
Note that the command code writtern by the microprocessor in CIX register and indication code written by layer
1 in CIR register are transmitted repeatedly until a new code is written.
The followings are the state transition diagrams, which implement the activation/deactivation state matrix in
AI10
CD
1101
1111
INFO 4 received, D channel priority is 10 or 11
Layer 1 deactivated, internal clocks are disabled
29
Preliminary W6691
Publication Release Date: Sep 2001
Revision 1.1
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