PXB 4220 E V3.4-G Infineon Technologies, PXB 4220 E V3.4-G Datasheet - Page 135
PXB 4220 E V3.4-G
Manufacturer Part Number
PXB 4220 E V3.4-G
Description
IC ATM/IP INTERWORKING BGA-256
Manufacturer
Infineon Technologies
Datasheet
1.PXB4220E-V33.pdf
(290 pages)
Specifications of PXB 4220 E V3.4-G
Applications
*
Mounting Type
Surface Mount
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PXB4220EV3.4X
PXB4220EV34GXP
SP000017873
PXB4220EV34GXP
SP000017873
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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
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
32 bits: 8 ports x 32 slots x 1 doubleword
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
If [aal0] =1
automatic reassembly buffer initialization
If [aal0] = 1
automatic reassembly buffer initialization
P controlled reassembly buffer initialization
P controlled reassembly buffer initialization
0
H
0
to 009FF
0
1
H
0
135
PXB 4219E, PXB 4220E, PXB 4221E
0
8
port_nr
[2:0]
7
6
5
4
Memory Structure
slot[4:0]
3
IWE8, V3.4
2
2003-01-20
1
0
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