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參數(shù)資料
| 型號： | KSZ8995FQI |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 33/89頁 |
| 文件大小： | 0K |
| 描述： | IC SWITCH 10/100 5PORT 128-PQFP |
| 標準包裝： | 66 |
| 系列： | * |
| 產品目錄頁面： | 1081 (CN2011-ZH PDF) |
| 配用： | 576-3872-ND - BOARD EVALUATION FOR KSZ8995FQ |
| 其它名稱： | 576-3300 |
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Micrel, Inc.
KS8995MA/FQ
October 2011
39
M9999-102611-3.0
IGMP Support
There are two parts involved to support IGMP in Layer 2. The first part is “IGMP” snooping. The switch will trap IGMP
packets and forward them only to the processor port. The IGMP packets are identified as IP packets (either Ethernet IP
packets or IEEE 802.3 SNAP IP packets) AND IP version = 0x4 AND protocol number = 0x2. The second part is
“multicast address insertion” in the static MAC table. Once the multicast address is programmed in the static MAC table,
the multicast session will be trimmed to the subscribed ports, instead of broadcasting to all ports. To enable this feature,
set Register 5 Bit 6 to 1. Also “special tag mode” needs to be enabled, so that the processor knows which port the IGMP
packet was received on. Enable “special tag mode” by setting both Register 11 Bit 0 and Register 80 Bit 2.
Port Mirroring Support
KS8995MA/FQ supports “port mirror” comprehensively as:
1. “Receive Only” mirror on a port. All the packets received on the port will be mirrored on the sniffer port. For example,
Port 1 is programmed to be “rx sniff,” and Port 5 is programmed to be the “sniffer port.” A packet, received on Port 1,
is destined to Port 4 after the internal look-up. The KS8995MA/FQ will forward the packet to both Port 4 and Port 5.
KS8995MA/FQ can optionally forward even “bad” received packets to Port 5.
2. “Transmit Only” mirror on a port. All the packets transmitted on the port will be mirrored on the sniffer port. For
example, Port 1 is programmed to be “tx sniff,” and Port 5 is programmed to be the “sniffer port.” A packet, received
on any of the ports, is destined to port 1 after the internal look-up. The KS8995MA/FQ will forward the packet to both
Ports 1 and 5.
3. “Receive and Transmit” mirror on two ports. All the packets received on Port A AND transmitted on Port B will be
mirrored on the sniffer port. To turn on the “AND” feature, set Register 5 Bit 0 to 1. For example, port 1 is programmed
to be “rx sniff,” Port 2 is programmed to be “transmit sniff,” and port 5 is programmed to be the “sniffer port.” A packet,
received on port 1, is destined to port 4 after the internal look-up. The KS8995MA/FQ will forward the packet to port 4
only, since it does not meet the “AND” condition. A packet, received on Port 1, is destined to Port 2 after the internal
look-up. The KS8995MA/FQ will forward the packet to both Port 2 and Port 5.
Multiple ports can be selected to be “rx sniffed” or “tx sniffed.” And any port can be selected to be the “sniffer port.” All
these per port features can be selected through Register 17.
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參數(shù)描述 |
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| KSZ8995M | 功能描述:以太網(wǎng) IC 5 Port 10/100 Switch with PHY and Frame Buffers (Lead Free) RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8995MA | 功能描述:以太網(wǎng) IC 5 Port 10/100 Switch with PHY and Frame Buffers (Lead Free) RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8995MA4 | 功能描述:IC SWITCH 5-PORT 10/100 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調幀器 應用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應商設備封裝:400-PBGA（27x27） 包裝:散裝 |
| KSZ8995MAB3 | 功能描述:IC SWITCH 5-PORT 10/100 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調幀器 應用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應商設備封裝:400-PBGA（27x27） 包裝:散裝 |
| KSZ8995MA-EVAL | 功能描述:以太網(wǎng)開發(fā)工具 KSZ8995MA Evaluation Board RoHS:否 制造商:Micrel 產品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
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