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: 130/135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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TECHNOLOGY
CONFI
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Revision 1.2
Table 36: CPU Empty Buffer, Offset: 0x34
B i t s
Field N ame
Funct ion
Init i al Va lue
10:0
BuffAddr
Buffer Address (divided by 0x600)
0x0
30:11
Reserved
31
Valid
Valid bit.
0 - The address (pointer) in 10:0 is NOT VALID.
1 - This register contains a valid address (pointer) to an
empty buffer in 10:0.
This bit is set to ‘0’ upon reading this register.
0x0
Table 37: CPU Enqueue1, Offset: 0x38
B i t s
Field N a m e
Funct ion
Initial Va lue
10:0
TrgBufAddr
Target Buffer Address (divided by 0x600)
0x0
21:11
Byte Count
Byte Count. When GenCrc is set, Byte Count does not
include the 4 bytes of CRC
0x0
22
Mult
Multicast Packet (1 - Multicast, 0 - Unicast)
Note: Should comply with the limitations set forth in Sec-
with respect to re-enqueuing of packets.
0x0
23
Pri
Priority
0 - Low Priority
1 - High Priority
0x0
24
GenCrc
CRC generation
0 - Do not generate CRC on Transmit
1 - Generate CRC on Transmit
NOTE: Bit 23, CRCEn, of the Global Control Register
(0x04) must be set to ‘1’ in order to Generate CRC on
Transmit.
0x0
31:25
Reserved
0x0
Table 38: CPU Enqueue2, Offset: 0x3C
B i t s
Fie ld N ame
Funct ion
Init i al Va lue
13:0
TgtPortBitMap
Target Port Bitmap (one bit per port, this field is ignored
when queuing a Unicast packet)
0x0
15:14
Reserved
0x0
19:16
TgtPort
Target Port Number (this field is ignored when queuing a
Multicast packet)
0x0
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