IPAC-X datasheet(74/270 Pages) INFINEON

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IPAC-X

PSB/PSF 21150

Description of Functional Blocks

Data Sheet

2003-01-30

State machines are the key to understanding the transceiver part of the IPAC-X. They

include all information relevant to the user and enable him to understand and predict the

behaviour of the IPAC-X. The state diagram notation is given in Figure 41. The

informations contained in the state diagrams are:

– 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 Chapter 3.5.4.

Figure 41

State Diagram Notation

The following example illustrates the use of a state diagram with an extract of the TE

state diagram. The state explained is “F3 deactivated”.

The state may be entered:

– from the unconditional states (ARL, RES, TM)

– from state “F3 pending deactivation”, “F3 power up”, “F4 pending activation” or “F5

unsynchronized” after the C/I command “DI” has been received.

The following informations are transmitted:

– INFO 0 (no signal) is sent on the S/T-interface.

C/I message “DC” is issued on the IOM-2 interface.

The state may be left by either of the following methods:

– Leave for the state “F3 power up” in case C/I = “TIM” code is received.

– Leave for state “F4 pending activation” in case C/I = AR8 or AR10 is received.

ITD09657

Cmd.

Ind.

State

C /

Unconditional

Transition

S / T Interface

INFO

OUT

IPAC

i x

i r

IPAC

IOM-2 Interface

IPAC-X

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