zl50409 Zarlink Semiconductor, zl50409 Datasheet - Page 88

• Manufacturer Part Number: zl50409
• Description: Managed 9-port 10/100m Ethernet Switch
• Manufacturer: Zarlink Semiconductor

CPU Queue insertion command
12.3.4.20
CPU Address:h33A-33E
Accessed by CPU, (R/W)
CPU Queue insertion command
12.3.4.21
CPU Address:h33f
Accessed by CPU, (R/W)
CPU receive queue status
12.3.5
12.3.5.1
I²C Address h049; CPU Address:h400
Accessed by CPU and I²C (R/W)
Used in conjuction with AGETIME_HIGH. The ZL50409 removes the MAC address from the data base and sends a
Delete MAC Address Control Command to the CPU.
Bits [14:0]:
Bits [30:15]
Bits [38:32]
Bits [14:0]:
Bit [15]:
Bit [0]:
Bit [1]:
Bit [2]:
Bits [7:0]:
(Group 4 Address) Search Engine Group
AGETIME_LOW – MAC address aging time Low
CPUGRNCTR – CPU Granule Control
CPURLSINFO0 - CPURLSINFO4 – Receive Queue Status
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)
Granule pointer.
Pointer valid
Header pointer
Tail pointer
Number of granules for the release
Low byte of the MAC address aging timer (Default 0x5C)
CR4
CR3
Zarlink Semiconductor Inc.
ZL50409
CR2
88
CR1
CR0
0
Data Sheet