參數(shù)資料
型號(hào): MVTX2603AG
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 網(wǎng)絡(luò)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(yè)數(shù): 55/109頁(yè)
文件大小: 803K
代理商: MVTX2603AG
MVTX2603
Data Sheet
55
Zarlink Semiconductor Inc.
13.6.16 PRG – Port Reservation for Giga ports
I
2
C Address: h0B9, CPU Address: h50F
Accessed by serial interface and I
2
C (R/W)
13.6.17 SFCB – Share FCB Size
I
2
C Address: h0BA, CPU Address: h510
Accessed by serial interface and I
2
C (R/W)
13.6.18 C2RS – Class 2 Reserve Size
I
2
C Address: h0BB, CPU Address: h511
Accessed by serial interface and I
2
C (R/W)
Buffer reservation for class 2 (third lowest priority). Granularity 1.
(Default 0)
7
3
0
Buffer low thd
SP buffer reservation
Bit [3:0]:
Per source port buffer reservation.
Define the space in the FDB reserved for each Gigabit port. Expressed
in multiples of 16 packets. For each packet 1536 bytes are reserved in
the memory.
Bits [7:4]:
Expressed in multiples of 16 packets. Threshold for dropping all best
effort frames when destination port best effort queues reach UCC
threshold and shared pool is all used and source port reservation is at
or below the PRG[7:4] level. Also the threshold for initiating UC flow
control.
Default:
H58 for memory 2 MB/bank;
H35 for 1 MB/bank;
7
0
Shared buffer size
Bits [7:0]:
Expressed in multiples of 4 packets. Buffer reservation for shared pool.
Default:
h64 for 24+2 configuration with memory of 2 MB/bank;
h14 for 24+2 configuration with memory of 1 MB/bank;
7
0
Class 2 FCB Reservation
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參數(shù)描述
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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
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MVTX2801 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Unmanaged 4-Port 1000 Mbps Ethernet Switch