ZL50400GDC ZARLINK [Zarlink Semiconductor Inc], ZL50400GDC Datasheet - Page 82

• Manufacturer Part Number: ZL50400GDC
• Description: Lightly Managed/Unmanaged 9-Port 10/100 M Ethernet Switch
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

12.3.6.6
I²C Address 091, CPU Address 514
Accessed by CPU and I²C (R/W)
12.3.6.7
CPU Address 515
Accessed by CPU (R/W)
12.3.6.8
I²C Address h074, CPU Address 518
Accessed by CPU and I²C (R/W)
12.3.6.9
I²C Address h075, CPU Address 519
Accessed by CPU and I²C (R/W)
Buffer reservation for class 1. Granularity 16 granules. (Default 0)
12.3.6.10
I²C Address h076, CPU Address 51A
Accessed by CPU and I²C (R/W)
Buffer reservation for class 2. Granularity 16 granules. (Default 0)
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]:
Bits [7:0]:
Bits [7:0]:
RDRC1 – WRED Rate Control 1
RDRC2 – WRED Rate Control 2
SFCB – Share FCB Size
C1RS – Class 1 Reserve Size
C2RS – Class 2 Reserve Size
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 ingress rate control.
Granularity 6.25%.
Corresponds to the frame drop percentage RA% for ingress rate control.
Granularity 6.25%.
Expressed in multiples of 16 granules. Buffer reservation for shared pool.
Class 1 FCB Reservation
Class 2 FCB Reservation
Zarlink Semiconductor Inc.
ZL50400
82
Data Sheet