RS8234 Mindspeed Technologies, RS8234 Datasheet - Page 201
RS8234
Manufacturer Part Number
RS8234
Description
Atm Servicesar Plus With Xbr Traffic Management
Manufacturer
Mindspeed Technologies
Datasheet
1.RS8234.pdf
(401 pages)
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Table 6-12. VBR1 and VBR2 SCH_STATE Field Descriptions
RS8234
ATM ServiceSAR Plus with xBR Traffic Management
Table 6-13. SCH_STATE for SCH_MODE = VBR1 or VBR2
28234-DSH-001-B
Word 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BUCKET2
L1_EXP
L1_MAN
I1_EXP
I1_MAN
The GCRA I value is expressed in cell slot intervals. Example
6.5.3.3 VBR1 or VBR2
7
8
9
Schedule State Table
Field Name
BUCKET2
BUCKET2
(MSB)
(LSB)
DELTA2_EXP
Index into Bucket table to give I2 and L2 for SCHED_MODE = VBR2 & VBRC. Bucket table base is given
by SEG_BCKB register field. Entries in Bucket table have same format as L1_EXP, L1_MAN, I1_EXP, and
I1_MAN.
GCRA L parameter exponent for bucket 1.
L1_EXP must satisfy
L1_EXP that does not satisfy
GCRA L parameter mantissa for bucket 1.
Bucket 1 L value is:
GCRA I parameter exponent for bucket 1.
I1_EXP must satisfy
GCRA I parameter mantissa for bucket 1.
Bucket 1 I value is:
L1_EXP
2
Mindspeed Technologies
10 <= I1_EXP <= 25.
L1_EXP <= min(I1_EXP + 9,29).
2
(I1_EXP - 10)
(L1_EXP - 10)
DELTA2_MAN
L1_EXP >= I1_EXP - 9
L1_MAN
(1+I1_MAN/512).
(1+L1_MAN/512).
I
=
----------- -
PCR
1
Description
PRESENT
6.5 Traffic Management Control and Status Structures
R
DELTA1_EXP
MAX
will have an effective L1 value of zero.
I1_EXP
™
(I is not expressed in cells/sec.)
6.0 Traffic Management
DELTA1_MAN
I1_MAN
6-41
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