zl50405 Zarlink Semiconductor, zl50405 Datasheet - Page 88
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zl50405
Manufacturer Part Number
zl50405
Description
Managed5-port 10/100 M Ethernet Switch
Manufacturer
Zarlink Semiconductor
Datasheet
1.ZL50405.pdf
(132 pages)
- Current page: 88 of 132
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12.3.6.3
I²C Address h069, CPU Address: 511
Accessed by CPU and I²C (R/W)
12.3.6.4
CPU Address: 512
Accessed by CPU (R/W)
12.3.6.5
I²C Address 090, CPU Address 513
Accessed by CPU and I
12.3.6.6
I²C Address 091, CPU Address 514
Accessed by CPU and I²C (R/W)
Bits [7:0]:
Bits [7:0]:
Bits [3:0]:
Bits [7:4]:
See Programming QoS Registers application note, ZLAN-42, for more information
Bits [3:0]:
Bits [7:4]:
See Programming QoS Registers application note, ZLAN-42, for more information
MCC – Multicast Congestion Control
MCCTH – Multicast Threshold Control
RDRC0 – WRED Rate Control 0
RDRC1 – WRED Rate Control 1
Threshold on the multicast granule count. Exceeding the threshold consider as
multicast resource low and the new multicast will be dropped at B% or flow con-
trol is triggered if enabled. (Default: 0x3)
2
C (R/W)
In multiples of 16 granules (granularity). Used for triggering MC flow control
when destination port’s multicast best effort queue reaches MCC threshold.
(Default 0x6)
Corresponds to the frame drop percentage Y% for WRED. Granularity
6.25%.
Corresponds to the frame drop percentage X% for WRED. Granularity
6.25%.
Corresponds to the best effort frame drop percentage B%, when shared pool
is all in use and destination port best effort queue reaches UCC. Granularity
6.25%.
Corresponds to the frame drop percentage Z% for WRED. Granularity
6.25%.
Zarlink Semiconductor Inc.
ZL50405
88
Data Sheet
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