PXF4336V11 INFINEON [Infineon Technologies AG], PXF4336V11 Datasheet - Page 145

• Manufacturer Part Number: PXF4336V11
• Description: ABM Premium ATM Buf fer Manager
• Manufacturer: INFINEON [Infineon Technologies AG]

Given a particular tauS, the burst tolerance BT and the corresponding MBS produced by
the leaky bucket shaper is calculated as:
and
The maximum BT has been derived from tauS
values of TstepC and SYSCLK.
Table 4-6
TstepC
Refer to
detailed description and layout of the parameter fields.
Data Sheet
“AVT Context Table: VBR Shaping (Table Layout)” on Page 126
BT
MBS
0
1
2
3
4
5
6
7
Maximum BT as a Function of TstepC and SYSCLK
1/Tstep
=
=
--------------- -
Tstep
tauS
1
+
tauS
------------------------- -
256
128
TS TP
------------------------ -
SYSCLK
64
32
16
8
4
2
–
32
SYSCLK = 51.84 [MHz]
64
145
cells
sec
max
and is shown in
10.192
5.097
2.548
1.274
0.637
0.318
0.159
0.079
BT [s]
SYSCLK = 60 [MHz]
Operational Description
Table 4-6
PXF 4336 V1.1
for different
2001-12-17
ABM-P
8.807
4.403
2.201
1.100
0.550
0.275
0.137
0.068
for a
(23)
(24)