ZL50407 Datasheet, PDF (77/125 Pages) Zarlink Semiconductor Inc – Lightly Managed/Unmanaged 8-Port 10/100M + 1-Port 10/100/1000M Ethernet Switch

ZL50407
13.3.4.20 CPURLSINFO0 - CPURLSINFO4 – Receive Queue Status
CPU Address:h33A-33E
Accessed by CPU, (R/W)
CR4
CR3
CR2
CPU Queue insertion command
CR1
0
CR0
Bit [14:0]:
Bit [30:15]
Bit [38:32]
Header pointer
Tail pointer
Number of granules for the release
Data Sheet
13.3.4.21 CPUGRNCTR – CPU Granule Control
CPU Address:h33f
Accessed by CPU, (R/W)
CPU receive queue status
Bit [0]:
Bit [1]:
Bit [2]:
Allocate granule to the CPU if set to one. Otherwise, do not allocate any resource.
Read allocated granule (at rising edge only)
Release info valid (will be processed at rising edge only)
13.3.5 (Group 4 Address) Search Engine Group
13.3.5.1 AGETIME_LOW – MAC address aging time Low
I²C Address h049; CPU Address:h400
Accessed by CPU and I²C (R/W)
Used in conjuction with AGETIME_HIGH. The ZL50407 removes the MAC address from the data base and sends a
Delete MAC Address Control Command to the CPU.
Bit [7:0]: Low byte of the MAC address aging timer (Default 0x5C)
13.3.5.2 AGETIME_HIGH –MAC address aging time High
I²C Address h04A; CPU Address h401
Accessed by CPU and I²C (R/W)
Bit [7:0]: High byte of the MAC address aging timer (Default 0)
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