zl50407 Zarlink Semiconductor, zl50407 Datasheet - Page 77
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zl50407
Manufacturer Part Number
zl50407
Description
Lightly Managed/unmanaged 8-port 10/100m + 1-port 10/100/1000m Ethernet Switch
Manufacturer
Zarlink Semiconductor
Datasheet
1.ZL50407.pdf
(125 pages)
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ZARLINK
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13.3.4.20
CPU Address:h33A-33E
Accessed by CPU, (R/W)
CPU Queue insertion command
13.3.4.21
CPU Address:h33f
Accessed by CPU, (R/W)
CPU receive queue status
13.3.5
13.3.5.1
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.
13.3.5.2
I²C Address h04A; CPU Address h401
Accessed by CPU and I²C (R/W)
CR4
Bit [14:0]:
Bit [30:15]
Bit [38:32]
Bit [0]:
Bit [1]:
Bit [2]:
(Group 4 Address) Search Engine Group
AGETIME_LOW – MAC address aging time Low
AGETIME_HIGH –MAC address aging time High
CPURLSINFO0 - CPURLSINFO4 – Receive Queue Status
CPUGRNCTR – CPU Granule Control
Bit [7:0]:
Bit [7:0]:
CR3
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)
Header pointer
Tail pointer
Number of granules for the release
Low byte of the MAC address aging timer (Default 0x5C)
High byte of the MAC address aging timer (Default 0)
CR2
CR1
Zarlink Semiconductor Inc.
CR0
ZL50407
77
0
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