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參數(shù)資料
| 型號： | MVTX2603AG |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 網(wǎng)絡接口 |
| 英文描述： | Unmanaged 24-Port 10/100 Mb + 2-Port 1 Gb Ethernet Switch |
| 中文描述： | DATACOM, LAN SWITCHING CIRCUIT, PBGA553 |
| 封裝： | 37.50 X 37.50 MM, 2.33 MM HEIGHT, MS-034, HSBGA-553 |
| 文件頁數(shù)： | 50/109頁 |
| 文件大?。?/td> | 803K |
| 代理商： | MVTX2603AG |
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MVTX2603
Data Sheet
50
Zarlink Semiconductor Inc.
13.6.4 AVPML – VLAN Priority Map
I
2
C Address: h0AD; CPU Address: h503
Accessed by serial interface and I
2
C (R/W)
Registers AVPML, AVPMM, and AVPMH allow the eight VLAN priorities to map into eight internal level transmit
priorities. Under the internal transmit priority, seven is highest priority where as zero is the lowest. This feature
allows the user the flexibility of redefining the VLAN priority field. For example, programming a value of 7 into bit 2:0
of the AVPML register would map VLAN priority 0 into internal transmit priority 7. The new priority is used inside the
2603. When the packet goes out it carries the original priority.
Bit [3:0]:
U2MR: Unicast to Multicast Rate. Units in terms of time base defined in
bits [6:4]. This is used to limit the amount of flooding traffic. The value
in U2MR specifies how many packets are allowed to flood within the
time specified by bit [6:4]. To disable this function, program U2MR to 0.
(
Default = 8
)
Bit [6:4]:
TimeBase:
000 = 100 us
001 = 200 us
010 = 400 us
011 = 800 us
100 = 1.6 ms
101 = 3.2 ms
110 = 6.4 ms
111 = 100 us (same as 000)
(Default = 000)
Bit [7]:
Select VLAN tag or TOS (IP packets) to be preferentially picked to map
transmit priority and drop priority (
Default = 0
).
0 – Select VLAN Tag priority field over TOS
1 – Select TOS over VLAN tag priority field
7
6
5
3
2
0
VP2
VP1
VP0
Bit [2:0]:
Priority when the VLAN tag priority field is 0
(Default 0)
Bit [5:3]:
Priority when the VLAN tag priority field is 1
(Default 0)
Bit [7:6]:
Priority when the VLAN tag priority field is 2
(Default 0)
相關PDF資料 |
PDF描述 |
|---|---|
| MVTX2604 | Managed 24-Port 10/100 Mb + 2 Port 1 Gb Ethernet Switch |
| MVTX2604AG | Managed 24-Port 10/100 Mb + 2 Port 1 Gb Ethernet Switch |
| MVTX2801 | Unmanaged 4-Port 1000 Mbps Ethernet Switch |
| MVTX2801AG | Unmanaged 4-Port 1000 Mbps Ethernet Switch |
| MVTX2802 | Managed 4-Port 1000 Mbps Ethernet Switch |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MVTX2603AG2 | 制造商:Microsemi Corporation 功能描述: |
| MVTX2604 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Managed 24-Port 10/100 Mb + 2 Port 1 Gb Ethernet Switch |
| MVTX2604A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MVTX260x Physical Port Control |
| MVTX2604AG | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Managed 24-Port 10/100 Mb + 2 Port 1 Gb Ethernet Switch |
| MVTX2801 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Unmanaged 4-Port 1000 Mbps Ethernet Switch |
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