參數(shù)資料
型號(hào): 84302
廠商: LSI Corporation
英文描述: 4-Port Fast Ethernet Controller( 4端口快速以太網(wǎng)控制器)
中文描述: 4端口快速以太網(wǎng)控制器(4端口快速以太網(wǎng)控制器)
文件頁(yè)數(shù): 15/96頁(yè)
文件大小: 826K
代理商: 84302
84302 4-Port
Fast Ethernet Controller
4-15
MD400171/C
Figure 4. Frame Formats and Bit Ordering
DA [24:31]
SA [8:15]
SA [40:47]
DATA [8:15]
DA [0:7]
DA [32:39]
SA [16:23]
LT [8:15]
DATA [16:23]
DA [8:15]
DA [40:47]
SA [24:31]
LT [0:7]
DATA [24:31]
DA [16:23]
SA [0:7]
SA [32:39]
DATA [0:7]
FCS [23:16]
FCS [15:8]
FCS [7:0]
FCS [31:24]
STATUS WORD [1]
INVALID
RXTXDATA0
RXTXDATA31
[3]
SOF
[2]
LSB
MSB
SYSTEM INTERFACE
1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0
DA [0:7]
DA [8:15]
DA [16:23]
DA [24:31]
DA [32:39]
DA [40:47]
SA [0:7]
SA [8:15]
SA [16:23]
SA [24:31]
SA [32:39]
SA [40:47]
LT [8:15]
LT [0:7]
DATA [0:7]
DATA [8:15]
DATA [16:23]
DATA [24:31]
FCS [31:24]
FCS [23:16]
FCS [15:8]
FCS [7:0]
1 0 1 0 1 0 1 1
[4] PRE
DA
SA
L/T
DATA
[5] FCS
MAC
1010
1010
1010
1010
DA [0:3]
DA [4:7]
DA [8:11]
DA [12:15]
LT [12:15]
LT [8:11]
LT [4:7]
LT [0:3]
DATA [0:3]
DATA [4:7]
DATA [8:11]
DATA [12:15]
FCS [31:28]
FCS [27:24]
FCS [23:20]
FCS [19:16]
FCS [15:12]
FCS [11:8]
FCS [7:4]
FCS [3:0]
1010
1011
PHY
INTERFACE
BYTES
TRANSMITTED
BITS
TRANSMITTED
Note 1: Status Word on Rcv only and is Progammable. Status
Word not Affected by Big/Little Endian Select.
Note 3: Little Endian Format (Default)
Note 2:
Note 6: On Receive Side, Some
Preamble Nibbles May
be Missng Because
They are Consummed
by the PHY
Note 4: XMT Preamble Appended
RCV Preamble Stripped
RCV CRC not Stripped
Note 5: XMT CRC not Appended
NOTES
SFD
[6]
1010
DA [44:47]
SA [0:3]
SA [4:7]
SA [8:11]
SA [12:15]
SA [44:47]
0
1
1
1
1
1
1
1
1
1
1
0
0000
0000
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0000
0000
LSB
MSB
TXEN/
RXDV
0
1
2
3
MII
BITS
TRANSMITTED
TXEN/
CRS
10 Mbps
Serial
TXD0/RXD0
TXD1/RXD1
TXD2/RXD2
TXD3/RXD3
EOF
EOF Position is Programmable.
For More Details, Refer to
System Interface Section.
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