參數(shù)資料
型號(hào): MDS213
廠商: Zarlink Semiconductor Inc.
英文描述: 12-Port 10/100Mbps + 1Gbps Ethernet Switch
中文描述: 12口10/100Mbps千兆以太網(wǎng)交換機(jī)
文件頁數(shù): 78/120頁
文件大?。?/td> 1678K
代理商: MDS213
MDS213
Data Sheet
78
Zarlink Semiconductor Inc.
18.2.3.8 Reserve Register 1
Access
Non-Zero-Wait-State
Direct-Access
Write/Read
Address:
h7B8
Must be set to "0X00010008"
18.2.3.9 Reserve Register 2
Access
Non-Zero-Wait-State
Direct-Access
Write/Read
Address:
h7BC
Must be set to "0X00010000"
18.2.4 Frame Control Buffers Management Register
18.2.4.1 FCBSL - FCB Queue
Access:
Non-Zero-Wait-State,
Direct Access,
Write/Read
Address:
h740
31
Bit [10:0]
Defines Max # of FCB Buffers
Size Range: 1 entry, to 1024 entries
Bit [17:11]
Aging Timer Base
Defines the time interval between scanning of FCB Buffers for aged
buffers
Aging Time = (Number of valid FCB Buffers* Aging Timer Base) msec
18.2.4.2 FCBST - FCB QUEUE - Buffer Low Threshold
Access:
Non-Zero-Wait-State,
Direct Access,
Write/Read
Address:
h744
31
Bit [5:0]
Buf_Low_Th
Buffer Low Threshold - The number of frame control buffer handles left
in the Queue to be considered as running low and trigger the interrupt
to the CPU.
Bit [31:6]
Reserved
0x0008
0x0001
31
16 15
4 3 2 1 0
0x0000
0x0001
31
16 15
3 2 1 0
25
0
Max # of FCB Buffer
Aging Timer Base
18 17
11 10
BLowTH
0
6 5
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