參數(shù)資料
型號(hào): MVTX2801
廠商: Zarlink Semiconductor Inc.
英文描述: Unmanaged 4-Port 1000 Mbps Ethernet Switch
中文描述: 非托管4端口1000 Mbps以太網(wǎng)交換機(jī)
文件頁(yè)數(shù): 37/106頁(yè)
文件大?。?/td> 1455K
代理商: MVTX2801
MVTX2801
Data Sheet
37
Zarlink Semiconductor Inc.
10.4.2 TX_AGE - Tx Queue Aging timer
I
2
C Address: h03B;Serial Interface Address:h312
Accessed by serial interface and I
2
C (R/W)
10.5 Group 4 Address - Search Engine Group
10.5.1 AGETIME_LOW - MAC address aging time Low
I
2
C Address h03C; Serial Interface Address:h400
Accessed by serial interface and I
2
C (R/W)
Bit [7:0] Low byte of the MAC address aging timer. (Default 2c)
Mac address aging is enable/disable by boot strap T_D[9].
10.5.2 AGETIME_HIGH -MAC address aging time High
I
2
C Address h03D; Serial Interface Address h401
Accessed by serial interface and I
2
C (R/W)
Bit [7:0]: High byte of the MAC address aging timer. (Default 00)
Aging time is based on the following equation:
{AGETIME_HIGH,AGETIME_LOW} X (# of MAC entries X100μsec)
Note
: the number of entries= 66K when T_D[5] is pull down (SRAM memory size = 512K) and 34K when T_D[5] is
pull up (SRAM memory size = 256K).
Bit [1:0]:
Port member selection for Trunk 0 and 1 in unmanaged mode (Default 2'b00)
- 00 - Only trunk group 0 is enable. Port 0 and 1 are used for trunk group0
- 01 - Only trunk group 0 is enable. Port 0,1 and 2 are used for trunk group0
- 10 - Only trunk group 0 is enable. Port 0,1,2 and 3 are used for trunk group0
- 11 - Trunk group 0 and 1 are enable. Port 0, 1 used for trunk group0, and port 2 and 3 are used for
trunk group1
7
6
5
0
Tx Queue Agent
Bit[4:0]:
Unit of 100ms (Default 8). Disable transmission queue aging if value is zero.
Bit[5]:
Must be set to '0'
Bit[7:6]:
Reserved
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參數(shù)描述
MVTX2801A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Unmanaged 4 port Gigabit Ethernet switch
MVTX2801AG 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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MVTX2802AG 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Managed 4-Port 1000 Mbps Ethernet Switch