pxb4219 Infineon Technologies Corporation, pxb4219 Datasheet - Page 135
pxb4219
Manufacturer Part Number
pxb4219
Description
Iwe8 Interworking Element For 8 E1/t1 Lines
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PXB4219.pdf
(290 pages)
- Current page: 135 of 290
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starv_bpslct Starvation byte-pattern select
starv_ini
buff_lsize
auto_reinit_
of
auto_reinit_
uf
6.1.4
Read/write Address 00800
Reset value: Not applicable. RAM must be reset and initialized via SW
Memory size 256K × 32 bits: 8 ports x 32 slots x 1 doubleword
MPADR
RAM4 needs only to be programmed in the case of an “AAL Transmit Reference Slot”
and in case of CAS usage. In all other cases the RAM4 entry is don’t care.
Data Sheet
17 16 15 14 13 12 11 10 9
RAM4: Transmit Port Configuration Extended
0
00 =
01 =
10 =
11 =
Number of starvation octets sent at reassembly buffer initialization.
0..
2046
2047 An unlimited number of starvation octets will be sent
Logical size of reassembly buffer in octets
Automatic reassembly buffer reinitialization at overflow
X =
0 =
1 =
Automatic reassembly buffer reinitialization at underflow
X =
0 =
1 =
0
0
If [aal0] =1
If [aal0] = 1
Select byte-pattern 0, defined in bp10[bp0]
Select byte-pattern 1, defined in bp10[bp1]
Select byte-pattern 2, defined in bp32[bp2]
Select byte-pattern 3, defined in bp32[bp3]
The actual number of starvation octets sent is starv_ini + 1
µ P controlled reassembly buffer initialization
automatic reassembly buffer initialization
µ P controlled reassembly buffer initialization
automatic reassembly buffer initialization
0
H
0
to 009FF
0
1
H
0
135
0
8
port_nr
PXB4219 / PXB4220 / PXB4221
[2:0]
7
6
5
4
slot[4:0]
Memory Structure
3
2
2002-05-06
1
0
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