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: 127/135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
91
Note: Clearing an interrupt cause bit is done by writing ‘0’ value to it. Writing ‘1’ has no effect.
18.1.1 CPU Tx High Desc1 and 2, Offset: 0x20, 0x24
Tx High Desc1 and Tx High Desc2 registers contain one of the following two formats depending on DescType bit
[30] in the CPU Tx High Desc2:
CPU_Tx_High_Desc2[30] = 0 - Packet descriptor
CPU_Tx_High_Desc2[30] = 1 - New_Address message (can be New_Address, Error_Source address or
an address that was removed due to automatic aging.
Note: These two registers are not burst read.
1. Note that all interrupts are UNmasked by default.
23
ErrorSASent
Error_Source message sent to CPU
0x0
Table 30: Interrupt Mask1, Offset: 0x1C
B it s
Field N ame
Function
Init i al Va lue
23:1
MaskBits
Mask to the CPU interrupt line for the appropriate bits in
the Interrupt Cause register. ‘0’ value enables the interrupt
for the corresponding Cause bit.
0x0
Table 31: CPU Tx High Desc1 - Packet Descriptor, Offset 0x20
B it s
Field N a m e
Funct ion
Initial Va lu e
10:0
SourBufAddr
Source Buffer Address (divided by 0x600)
0x0
21:11
Byte Count
0x0
25:22
SourcePort
Source Port number
0x0
26
Mult
Multicast Packet (1 - Multicast)
0x0
27
Unk
Unknown Packet (1 - Uknown)
0x0
28
Sniff
Sniffer Packet (1 - Sniffer)
0x0
29
IGMP
IGMP Packet (1 - IGMP)
0x0
30
Interv
Intervention Packet (1 - Intervention)
0x0
31
Reserved
0x0
Table 29: Interrupt Cause, Offset: 0x18
B it s
Field N ame
Func tion
Init i al Va lue
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