PXB4220E Infineon Technologies AG, PXB4220E Datasheet - Page 126
PXB4220E
Manufacturer Part Number
PXB4220E
Description
Interworking Element for 8 E1/T1 Lines
Manufacturer
Infineon Technologies AG
Datasheet
1.PXB4220E.pdf
(290 pages)
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6.1.1.4
Read/write Address 00200
Reset value: Not applicable. RAM must be reset and initialized via SW.
next_slot_nr Next slot number
sig_cond_
nibble
fourth_slot_
nr
third_slot_
nr
ref_slot_nr
cont_slot
ref_slot
Data Sheet
third_slot
_nr[0]
31
23
15
7
RAM1: AAL Receive Continuation Slot
Not used
fourth_slot_nr[3:0]
Number of the next slot of this channel. When no continuation slots exist,
the entry “next_slot_nr” should refer to the reference slot.
4 bits for signalling conditioning
It is possible to have different signalling conditioning nibbles for all slots
of a channel except for the first two slots of a channel. The first slot in a
channel will always use the same nibbles as the first continuation slot.
Fourth slot number
Number of the fourth slot of this channel
X =
Third slot number
Number of the third slot of this channel
X =
Reference slot number
Number of the reference slot of this channel
Continuation slot indicator
1 =
Reference slot indicator
0 =
next_slot_nr[4:0]
If [band_width] < 3
If [band_width] < 2
This slot is a continuation slot
This slot is not a reference slot
H
to 003FF
ref_slot_nr[4:0]
H
126
sig_cond_nibble[3:0]
PXB 4219E, PXB 4220E, PXB 4221E
third_slot_nr[4:1]
cont_slot
Not used
Memory Structure
= 1
IWE8, V3.4
2003-01-20
slot_nr[4]
ref_slot
fourth_
= 0
24
16
8
0
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