PEB2085 SIEMENS [Siemens Semiconductor Group], PEB2085 Datasheet - Page 119

• Manufacturer Part Number: PEB2085
• Description: ISDN SubscribernAccess Controller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

b.
b.1.
c.
c.1.
c.2.
d.
d.1.
d.2.
Semiconductor Group
Note: The impossibility to perform the optional T203 timer-procedure is not explicitly men-
Symbols at a path
There is 1 symbol at a path
Symbols at an internal or external message box.
There are 2 symbols at a message box.
Text within boxes
Text within boxes can be grouped in one of two classes.
The text is placed in the box that describes the functions for which the register access is
needed.
Text
Text
Box
Box
Box
Box
tioned; the corresponding actions are only crossed out.
or
Text
Box
marks the beginning of a path, for which a.3 applies.
either a register read access to discriminate this state from others or
to reach a branching condition
or a register write access to give a command.
This symbol means, that the action described in the box is not
possible. Either the action specified is not done at all or an additional
action is taken (written into the box).
This symbol means, that within a software-path, by taking the
prescribed register actions the contents of the box will be done
automatically.
The text describes a register access
The text denotes an interrupt which is always associated with the
event. (But can also be associated with other events). (See ISTA and
EXIR register description in the Technical Manual for an interrupt
description).
119
Functional Description