PSB21384H-V13 Infineon Technologies, PSB21384H-V13 Datasheet - Page 77
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PSB21384H-V13
Manufacturer Part Number
PSB21384H-V13
Description
Manufacturer
Infineon Technologies
Datasheet
1.PSB21384H-V13.pdf
(270 pages)
Specifications of PSB21384H-V13
Number Of Line Interfaces
1
Control Interface
HDLC
Lead Free Status / Rohs Status
Compliant
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2.2.8
The IOM-2 interface can be switched off in the inactive state, reducing power
consumption to a minimum. In this deactivated state is FSC = ’1’, DCL = ’0’ and BCL =
’1’ ’ and the data lines are ’1’. The data between the functional blocks of the SCOUT is
then transferred internally.
The IOM-2 interface can be kept active while the line interface is deactivated by setting
the CFS bit to "0" (MODE register). This is the case after a hardware reset. If the IOM-2
interface should be switched off while the S interface is deactivated, the CFS bit should
be set to ’1’. In this case the internal oscillator is disabled when no signal (info 0) is
present on the line interface and the C/I command is ’1111’ = DIU (see chapter 2.3.8
and 2.3.7.1.3). If the TE wants to activate the line, it has first to activate the IOM-2
interface either by using the "Software Power Up" function (IOM_CR.SPU bit) or by
setting the CFS bit to "0" again.
The deactivation procedure is shown in figure 42. After detecting the code DI
(Deactivate Indication) the layer 1 of the SCOUT responds by transmitting DC
(Deactivate Confirmation) during subsequent frames and stops the timing signals
synchronously with the end of the last C/I (C/I0) channel bit of the 10th frame.
Figure 42
Deactivation of the IOM
Data Sheet
IOM -2
FSC
DU
DCL
DD
DR
Activation/Deactivation of IOM-2 Interface
DR
DI
DR
DI
DC
®
DI
-Interface
DC
DI
DC
DI
DC
DI
67
DC
DI
DC
DI
DC
DI
B1
DC
DI
D
B2
DC
DI
CIO
D CIO
ITD09655
PSB 21381/2
PSB 21383/4
DC
DI
Interfaces
2001-03-12
IOM -2
Deactivated
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