參數(shù)資料
型號(hào): ZL50418
廠商: Zarlink Semiconductor Inc.
英文描述: Managed 16-Port 10/100 M + 2-Port 1 G Ethernet Switch
中文描述: 管理16端口10/100平方米端口1個(gè)G以太網(wǎng)交換機(jī)
文件頁數(shù): 85/163頁
文件大?。?/td> 2122K
代理商: ZL50418
ZL50418
Data Sheet
85
Zarlink Semiconductor Inc.
14.9.4 AVPML – VLAN Tag Priority Map
I
2
C Address h0AD; CPU Address:h503
Accessed by CPU, serial interface and I
2
C (R/W)
Registers AVPML, AVPMM, and AVPMH allow the eight VLAN Tag priorities to map into eight Internal level transmit
priorities. Under the Internal transmit priority, seven is the 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 packet VLAN priority 0 into Internal transmit priority 7. The new priority is used
inside the ZL50418. When the packet goes out it carries the original priority.
14.9.5 AVPMM – VLAN Priority Map
I
2
C Address h0AE, CPU Address:h504
Accessed by CPU, serial interface and I
2
C (R/W)
Map VLAN priority into eight level transmit priorities:
14.9.6 AVPMH – VLAN Priority Map
I
2
C Address h0AF, CPU Address:h505
Accessed by CPU, serial interface and I
2
C (R/W)
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)
7
6
4
3
1
0
VP5
VP4
VP3
VP2
Bit [0]:
Priority when the VLAN tag priority field is 2
(Default 0)
Bit [3:1]:
Priority when the VLAN tag priority field is 3
(Default 0)
Bit [6:4]:
Priority when the VLAN tag priority field is 4
(Default 0)
Bit [7]:
Priority when the VLAN tag priority field is 5
(Default 0)
7
5
4
2
1
0
VP7
VP6
VP5
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