PEB20256EV21GXP Infineon Technologies, PEB20256EV21GXP Datasheet - Page 58
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PEB20256EV21GXP
Manufacturer Part Number
PEB20256EV21GXP
Description
Manufacturer
Infineon Technologies
Datasheet
1.PEB20256EV21GXP.pdf
(232 pages)
Specifications of PEB20256EV21GXP
Operating Supply Voltage (typ)
2.5/3.3V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / Rohs Status
Compliant
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Figure 4-6
4.2.2
In unchannelized mode the complete incoming and outgoing serial bit stream belongs to
one logical channel. Although unchannelized mode does not have a time slot scheme,
this mode is handled internally the same way as a port configured in T1 mode. Therefore
the time slot assignment must be done as in T1 mode, with exception that ‘time slots’
zero to 23 must be assigned to one channel and that no time slot may be set to inhibit.
The function of bit masks, which is available in T1, E1, 4.096 MHz or 8.192 MHz mode,
is not available in unchannelized mode. Each bit of the time slots 0-23 must be enabled,
setting the masks to FF
function of synchronizing bits to an external frame synchronization pulse.
Data Sheet
Example configuration:
Port three in mode E1.
Timeslot 2 and 3 are assigned to channel 5.
Bit 0 of timeslot 2 and bit 1 of timeslot 3 are masked.
Programming sequence:
1. Port mode configuration
2. Timeslot assignment
6
0
7
Unchannelized Mode
Register
PMIAR
PMR
TSAIA
TSAD
TSAIA
TSAD
1
0
0
Time slot Assignment in Channelized Modes
2
1
1
3
Timeslot Mask
31
2
1
Data
Timeslot 2
8
Frame 1
H
3
1
H
. Furthermore unchannelized mode does not provide the
4
1
5
1
6
1
29
7
1
30
Time
0
1
31
5
5
H
H
58
3
3
1
0
0
H
H
Timeslot Mask
1 1
1 1
2
1
1
Timeslot 3
1
1
2
1
1
3
1
1
1
3
2
3
1
1
H
H
H
3
4
1
1
0
0
0
1
Frame 2
5
1
6
1
Select port 3
E1 mode
Select port 3, timeslot 2
Set channel 5, mask
Select port 3, timeslot 3
Set channel 5, mask
Functional Description
7
1
0
29
1
30
PEB 20256 E
PEF 20256 E
31
04.2001
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