参数资料
型号: GT-48208
厂商: Galileo Technology Services, LLC
英文描述: Advanced Switched Ethernet Controllers for 10+10/100 BaseX(高级交换式 10+10/100 BaseX以太网控制器)
中文描述: 先进的交换式以太网控制器的10 10/100 BaseX(高级交换式10 10/100 BaseX以太网控制器)
文件页数: 120/135页
文件大小: 1619K
代理商: GT-48208
GT-482xx Switched Ethernet Controllers for 10+10/100 BaseX
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Revision 1.2
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6
ForwNewAdd
Forward New Address.
Defines whether the GT-482xx will forward
New_Address messages to the CPU or not.
0 - Do not forward
1 - Forward
0x0
7
ForwAged Addr
Forward Aged out address
Defines whether the GT-482xx forwards
New_Address messages for aged out addresses to
the CPU or not.
0 - Do not forward
1 - Forward
0x0
8
CPUEn
CPU Enable.
This bit indicates that there is a CPU in the system.
0 - CPU does not exist
1 - CPU exists
0x0
11-9
Priority weight
These bits indicates the priority weight as follows:
000 - One packet is transmitted from the high priority
queue, and one packet is transmitted from the low
priority queue.
001 - 2 from the high queue, 1 from the low
010 - 4 from the high queue, 1 from the low
011 - 6 from the high queue, 1 from the low
100 - 8 from the high queue, 1 from the low
101 - 10 from the high queue, 1 from the low
110 - 12 from the high queue, 1 from the low
111 - All packets from the high queue.
0x000
12
BufThrEn
Buffer Threshold Enable.
0 - There is no limitation on the buffers’ allocation
(other than physical memory size.)
1 - The buffers allocated to the ports and the CPU are
limited to the number which is written in the Rx Buff-
ers Threshold register.
This bit is meaningful only when DisBufThr* pin is
disabled.
DAddr[10] at reset
13
Reserved
Must be written ‘0’
0x0
14
ForwMulti
Forward Multicast to CPU only.
0 - the GT-482xx forwards Multicast packets to all the
ports and to the CPU.
1 - Multicast packets forwarded only to the CPU.
Note: For exact description see "Address Recogni-
0x0
Table 23: Global Control, Offset: 0x04 (Continued)
B it s
Field N ame
Function
Init i al Va lu e
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