PSB3186HV14XP Lantiq, PSB3186HV14XP Datasheet - Page 57
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PSB3186HV14XP
Manufacturer Part Number
PSB3186HV14XP
Description
Manufacturer
Lantiq
Datasheet
1.PSB3186HV14XP.pdf
(200 pages)
Specifications of PSB3186HV14XP
Number Of Line Interfaces
1
Control Interface
HDLC
Lead Free Status / Rohs Status
Compliant
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3.5
The layer-1 activation / deactivation is controlled by an internal state machine via the
IOM-2 C/I0 channel. The ISAC-SX TE layer-1 control flow is shown in
Figure 31
In the following sections the layer-1 control by the ISAC-SX TE state machine will be
described. For the description of the IOM-2 C/I0 channel see also
The layer-1 functions are controlled by commands issued via the CIX0 register. These
commands, sent over the IOM-2 C/I channel 0 to layer 1, trigger certain procedures,
such as activation/deactivation, switching of test loops and transmission of special pulse
patterns. These procedures are governed by layer-1 state diagrams. Responses from
layer 1 are obtained by reading the CIR0 register after a CIC interrupt (ISTA).
The state diagrams of the ISAC-SX TE are shown in
activation/deactivation implemented by the ISAC-SX TE agrees with the requirements
set forth in ITU recommendations. State identifiers F1-F8 are in accordance with ITU
I.430.
State machines are the key to understanding the transceiver part of the ISAC-SX TE.
They include all information relevant to the user and enable him to understand and
predict the behaviour of the ISAC-SX TE. The state diagram notation is given in
Figure
– state name (based on ITU I.430)
– S/T signal transmitted (INFO)
– C/I code received
– C/I code transmitted
– transition criteria
The coding of the C/I commands and indications are described in detail in
Data Sheet
CI0 Data Register
µC Interface
32. The informations contained in the state diagrams are:
CIX0
CIR0
Control of Layer-1
Layer-1 Control
IOM-2
C/I0 channel
Command
Indication
Layer-1 Control
Machine
Layer-1
State
Transmit
INFO
Receive
INFO
57
Transmitter
Receiver
Description of Functional Blocks
Figure 33
Chapter
and
Figure
S/T Interface
INFO Signals
Figure
Chapter
ISAC-SX TE
3.7.4.
PSB 3186
2003-01-30
31.
3186_01
34. The
3.5.2.
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