psb21391 Infineon Technologies Corporation, psb21391 Datasheet - Page 78
psb21391
Manufacturer Part Number
psb21391
Description
Siemens Codec With Upn Transceiver
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PSB21391.pdf
(253 pages)
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Data Sheet
2.3.5.1.1 State Transition Diagram
The state machine includes all information relevant to the user. The state diagram
notation is given in figure 41.
The informations contained in the state diagrams are:
– State name
– U
– C/I code received (commands) (see chapter 2.3.5.1.3)
– C/I code transmitted (indications) (see chapter 2.3.5.1.6)
– Transition criteria
The transition criteria is grouped into:
– C/I commands (see chapter 2.3.5.1.3)
– Received infos on U
– Reset (see chapter 2.3.5.1.5)
Figure 41
State Diagram Notation
The following example illustrates the use of a state diagram with an extract of the state
diagram. The state explained is “Deactivated”.
The state may be entered:
– from states “Power-Up”, “Pending Deactivation”, “Pending Activation”, “Loop3” and
The following informations are transmitted:
– INFO 0 (no signal) is sent on the U
– 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 “Power up” after synchronous or asynchronous “TIM” code has
– Leave for state “Pending Activation” in case C/I = AR is received.
the unconditional states “Reset” and “Test Mode i” after the C/I command “DI” has
been received.
been received on IOM.
PN
signal transmitted (INFO) (see chapter 2.3.5.1.7)
IOM-2 Interface
C/I code
U
INFO
PN
Interface
PN
(see chapter 2.3.5.1.4)
OUT
Ind. Cmd.
i
x
State
IN
i
r
PN
interface.
68
Unconditional
Transition
statem_notation.vsd
PSB 21391
PSB 21393
Interfaces
2001-03-07
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