zl50411 Zarlink Semiconductor, zl50411 Datasheet - Page 92

• Manufacturer Part Number: zl50411
• Description: Managed 9-port Fast Ethernet Switch With Private Vlan
• Manufacturer: Zarlink Semiconductor

12.3.4.20
CPU Address: h033A-033E
Accessed by CPU, (R/W)
CPU Queue insertion command
12.3.4.21
CPU Address: h033f
Accessed by CPU, (R/W)
CPU receive queue status
12.3.5
12.3.5.1
I²C Address: h049; CPU Address: h0400
Accessed by CPU and I²C (R/W)
Used in conjuction with AGETIME_HIGH. The ZL50411 removes the MAC address from the data base and sends a
Delete MAC Address Control Command to the CPU.
12.3.5.2
I²C Address: h04A; CPU Address: h0401
Accessed by CPU and I²C (R/W)
Bits [14:0]:
Bits [30:15]
Bits [38:32]
Bit [0]:
Bit [1]:
Bit [2]:
Bits [7:0]:
Bits [7:0]:
(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
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 0x00)
CR4
CR3
Zarlink Semiconductor Inc.
ZL50411
CR2
92
CR1
CR0
0
Data Sheet