參數(shù)資料
型號： KSZ8842-16MVL-EVAL
廠商： Micrel Inc
文件頁數(shù)： 141/141頁
文件大?。?/td> 0K
描述： BOARD EVALUATION KSZ8842-16MVL
標(biāo)準(zhǔn)包裝： 1
主要目的： 接口，以太網(wǎng)控制器（PHY 和 MAC）
嵌入式： 否
已用 IC / 零件： KSZ8842-16MVL
主要屬性： 2 個端口，100BASE-TX/10BASE-T
次要屬性： 8/16 位接口，LinkMD 線纜診斷
已供物品： 板
相關(guān)產(chǎn)品： 576-3270-ND - IC SWITCH ETH 2P 32BIT 128LQFP
576-3076-ND - IC MAC CTLR 2PORT ETH 100-LFBGA
KSZ8842-32MVL-ND - IC ETHERNET SW 2PORT BUS 128LQFP
576-2120-ND - IC ETHERNET SW 2PORT BUS 128LQFP
576-2119-ND - IC ETHERNET SW 2PORT BUS 128LQFP
其它名稱： 576-1635
Micrel, Inc.
KSZ8842-16/32 MQL/MVL/MVLI/MBL
October 2007
99
M9999-102207-1.9
Bank 48 Port 1 Control Register 1 (0x00): P1CR1
This register contains the global per port control for the switch function.
Bit
Default
R/W
Description
15-8
0x00
RO
Reserved
7
0
RW
Broadcast Storm Protection Enable
1 = enable broadcast storm protection for ingress packets on the port.
0 = disable broadcast storm protection.
6
0
RW
Diffserv Priority Classification Enable
1= enable DiffServ priority classification for ingress packets on the port.
0 = disable DiffServ function.
5
0
RW
802.1p Priority Classification Enable
1= enable 802.1p priority classification for ingress packets on the port.
0 = disable 802.1p.
4-3
0x0
RW
Port-Based Priority Classification
00 - ingress packets on port are classified as priority 0 queue if “DiffServ” or “802.1p”
classification is not enabled or fails to classify.
01 - ingress packets on port are classified as priority 1 queue if “DiffServ” or “802.1p”
classification is not enabled or fails to classify.
10 - ingress packets on port are classified as priority 2 queue if “DiffServ” or “802.1p”
classification is not enabled or fails to classify.
11 - ingress packets on port are classified as priority 3 queue if “Diffserv” or “802.1p”
classification is not enabled or fails to classify.
Note: “DiffServ”, “802.1p” and port priority can be enabled at the same time. The OR’ed
result of 802.1p and DSCP overwrites the port priority.
2
0
RW
Tag Insertion
1 = when packets are output on the port, the switch adds 802.1p/q tags to packets
without 802.1p/q tags when received. The switch will not add tags to packets already
tagged. The tag inserted is the ingress port’s “port VID”.
0 = disable tag insertion.
1
0
RW
Tag Removal
1 = when packets are output on the port, the switch removes 802.1p/q tags from packets
with 802.1p/q tags when received. The switch will not modify packets received without
tags.
0 = disable tag removal.
0
RW
TX Multiple Queues Select Enable
1 = the port output queue is split into four priority queues.
0 = single output queue on the port. There is no priority differentiation even though
packets are classified into high or low priority.
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