cn8237 Mindspeed Technologies, cn8237 Datasheet - Page 205

• Manufacturer Part Number: cn8237
• Description: Atm Oc-12 Servicesar Plus With Xbr Traffic Management
• Manufacturer: Mindspeed Technologies

Table 6-19. GFR MCR Bucket Table Entry Field Descriptions
CN8237
ATM OC-12 ServiceSAR Plus with xBR Traffic Management
Table 6-18. GFR MCR Limit Bucket Table Entry
28237-DSH-001-C
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
6.5.4.2 GFR MCR Limit
MCR_EXP
MCR_MAN
NONZERO
0
Field Name
Bucket Table
MCR_EXP
GFR MCR limit exponent.
MCR_EXP must satisfy MCR_EXP 29.
GFR MCR limit mantissa.
MCR limit is: NONZERO × 2
VCC priority is increased by 1 when rate falls below 1/MCR limit.
GFR MCR limit is non-0.
The 128 words of this table contain 256 MCR Limit values, two bucket table
entries per word. The table base is on top of the Bucket2 table. Table values are in
the form of a non-0 bit, exponent and mantissa such that MCR_LIMIT is
MCR_LIM_NZ 2
Tables 6-18
Mindspeed Technologies
MCR_MAN
(MCR_EXP–10)
and
6-19
MCR_LIM_EXP 10
describe the MCR Limit Bucket table.
(1 + MCR_MAN / 512).
Description
–
6.5 Traffic Management Control and Status Structures
1
+
MCR_EXP
™
MCR_LIM_MAN 512
6.0 Traffic Management
MCR_MAN
6-49