参数资料
型号: GT-48001A
厂商: Galileo Technology Services, LLC
英文描述: Switched Ethernet Controller For 10BaseX(10BaseX交换式快速以太网控制器)
中文描述: 交换式以太网控制器10BaseX(10BaseX交换式快速以太网控制器)
文件页数: 38/101页
文件大小: 1235K
代理商: GT-48001A
GT-48001A Switched Ethernet Controller
Revision 1.6
41
10.3.8 PACKET_TRANSFER Message (GalNet to CPU in Unicast Intervention Mode)
A burst of up to 8 32-bit words from the source GalNet device to the target CPU buffer which contains the unicast
packet whose address is tagged for intervention mode. The first data word of the packet will be written to second word
of the buffer. The first word is left empty for the END_OF_PACKET message.
Table 18: PACKET_TRANSFER Message (GalNet to CPU)
The PACKET_TRANSFER message can be transferred using any burst size over the PCI. The GalNet device uses a
burst of 8 words.
10.3.9 PACKET_TRANSFER Message (CPU to GalNet)
A burst of up to 8 32-bit words from the source CPU Buffer to the target GalNet device which contains the packet.
Table 19: PACKET_TRANSFER Message (CPU to GalNet)
The PACKET_TRANSFER message can be transferred using any burst size over the PCI. It is recommended to use a
burst of 8 words.
PCI Bi ts
D escr ip tio n
Address
[31:27]
[26:22]
[21]
[20:0]
GalNet Protocol Region
CPU Device Number (bits [12:8] in 0x1400 30)
‘1’ (DRAM)
DRAM location
Data 0
[31:0]
Data 0
----
Data 7
[31:0]
Data 7
PCI Bi ts
D escr ip tio n
Address
[31:27]
[26:22]
[21]
[20:0]
GalNet Protocol Region
Target Device Number
‘1’ (DRAM)
DRAM location
Data 0
[31:0]
Data 0
----
Data 7
[31:0]
Data 7
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