參數(shù)資料
型號(hào): MDS213CG
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: 12-Port 10/100Mbps + 1Gbps Ethernet Switch
中文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA456
封裝: 35 X 35 MM, 2.33 MM HEIGHT, MS-034, HSBGA-456
文件頁數(shù): 79/120頁
文件大?。?/td> 1678K
代理商: MDS213CG
MDS213
Data Sheet
79
Zarlink Semiconductor Inc.
18.2.4.3 BCT - (FCB) Buffer Counter Threshold
Access
Non-Zero-Wait-State
Direct-Access
Write/Read
Address:
h74C
Bit[9:0]
Low_Limit
Low limit number of frames to each destination port (i.e., Source port
limits the # of FCB used by each destination port)
Bit[19:10]
HI_Limit
High limit number of frames to each destination port (i.e., Source port
limits the # of FCB used by each destination port)
18.2.4.4 BCHL - Buffer Counter Hi-low Selection
Access
Non-Zero-Wait-State
Direct-Access
Write/Read
Address:
h750
Bit[12:0]
Lp_Hi_Low Sel
Selection for Low or High Limit of Buffer Counter for Local device
13 bits maps to 13 ports in Local Device
1 = select hi limit
0 = select low limit
Bit[25:13]
Rp_Hi_Low Sel
Selection for Low or High Limit of Buffer Counter for Remote device
13 bits maps to 13 ports in Remote Device
1 = select hi limit
0 = select low limit
18.2.5 Queue Management Register
18.2.5.1 CINQ - CPU Input Queue
Access:
Non-Zero-Wait-State,
Direct Access,
Write only
Address:
h708
Note:
Check IQ_RDY=1 in DCR3 (Interface Status Register) before writing into CPU Input Queue
Low Limit
0
31
19
10 9
Hi Limit
0
31
25
13 12
Rp_Hi_Low Sel
Lp_Hi_Low Sel
0
31
32-bit data from CPU input queue
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