ZL50404 参数 Datasheet PDF下载

ZL50404

CPU Queue insertion command

Bit [14:0]:

Bit [15]:

Granule pointer.

Pointer valid

Data Sheet

13.3.4.18

CPURLSINFO0 - CPURLSINFO4 – Receive Queue Status

CPU Address:h33A-33E

Accessed by CPU, (R/W)

0

CR4

CR3

CR2

CR1

CR0

CPU Queue insertion command

Bit [14:0]:

Bit [30:15]

Bit [38:32]

Header pointer

Tail pointer

Number of granules for the release

13.3.4.19

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

13.3.5.1

(Group 4 Address) Search Engine Group

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 ZL50404 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)

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Zarlink Semiconductor Inc.