zl50407 Zarlink Semiconductor, zl50407 Datasheet - Page 80

• Manufacturer Part Number: zl50407
• Description: Lightly Managed/unmanaged 8-port 10/100m + 1-port 10/100/1000m Ethernet Switch
• Manufacturer: Zarlink Semiconductor

13.3.6.5
I²C Address 090, CPU Address 513
Accessed by CPU and I
13.3.6.6
I²C Address 091, CPU Address 514
Accessed by CPU and I²C (R/W)
13.3.6.7
CPU Address 515
Accessed by CPU (R/W)
13.3.6.8
I²C Address h074, CPU Address 518
Accessed by CPU and I²C (R/W)
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
Bits[3:0]:
Bits[7:4]:
Bits [7:0]:
RDRC0 – WRED Rate Control 0
RDRC1 – WRED Rate Control 1
RDRC2 – WRED Rate Control 2
SFCB – Share FCB Size
2
C (R/W)
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%.
Corresponds to the frame drop percentage RB%, for rate control. Granularity
6.25%.
Corresponds to the frame drop percentage RA% for rate control. Granularity
6.25%.
Expressed in multiples of 16 granules. Buffer reservation for shared pool.
Zarlink Semiconductor Inc.
ZL50407
80
Data Sheet