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: 131/135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
95
23:20
SrcPort
Source Port Number (0xe if source port is CPU)
0x0
30:24
Reserved
0x0
31
Busy
Busy bit
0 - Not Busy, the CPU can re-load this register
1 - Busy - The data in this register was not processed.
The CPU should not re-load this register.
When the CPU writes this register to queue a transmit
packet, it should write this bit as ‘1’. Before the CPU pro-
ceeds to enqueue another buffer, it should poll this bit
until it has a value of ‘0’.
Note: The Busy bit applies to both CPU Enqueue Regis-
ters at offsets 0x38 and 0x3c.
0x0
Table 39: CPU New Address1, Offset: 0x40
B it s
Field N a m e
Func tion
Init i al
Va lue
0
NaType
New Address Type
0 - CPU is writing a New Address to the table or is updat-
ing a current entry in the Address Table
1 - The CPU is querying the Address Table for a particular
entry. When querying, the only relevant fields are
MAC[47:20] and MAC[19:0]. The rest of the fields in
NewAddress1, NewAddress2 and NewAddress3 are
ignored.
0x0
1
Sk
Skip Entry
0 - No not remove this entry from the Address Table
1 - Remove this entry from the Address Table
0x0
2
Aging
0 - New address
1 - Not new address
0x0
3
Reserved
0x0
31:4
MAC[47:20]
0x0
Table 40: CPU New Address2, Offset: 0x44
B it s
Field N ame
Funct ion
Init ia l Va lue
19:0
MAC[19:0]
0x0
23:20
PortNu
Port Number
0x0
Table 38: CPU Enqueue2, Offset: 0x3C
B it s
Field N a m e
Func tion
Initial Va lu e
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