參數(shù)資料
型號: 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)
文件頁數(shù): 49/96頁
文件大?。?/td> 826K
代理商: 84302
84302 4-Port
Fast Ethernet Controller
4-49
MD400171/C
Table 22. Configuration 1 Register Definition
7
6
5
4
3
2
1
0
INT_RXDIS
RXCRC
FDX
TXCRC_DIS
ROWNT
TXPRE_DIS AUTOPAD
GRPADR
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit
Symbol
Name
Definition
R/W
Def.
7
INT_RXDIS
Receive Interrupt
Disable
1 = Receive Interrupts Disabled, i.e. No Interrupts
Are Produced By a Port’s Receiver
0 = Enabled
R/W
0
6
RXCRC
Receive CRC
Enable
1 = CRC is Not Stripped Off of Receive Packet and
is Loaded into RX FIFO Along With Data
0 = CRC Stripped Off
R/W
0
5
FDX
Full Duplex
Enable
1 = Full Duplex
0 = Half Duplex
Full Duplex Mode is Enabled if Either this Bit Is Set
to 1 or FDUPLX Pin is Low as shown in Table 9.
R/W
0
4
TXCRC_DIS
Transmit CRC
Disable
1 = CRC Not Appended to End of Transmit Packet
0 = CRC Appended
CRC is Disabled if Either this Bit is Set to 1 or if the
TXNOCRC pin is Low as shown in Table 3.
R/W
0
3
ROWNT
Receive Own
Transmit Ignore
Select
1 = Ignore Any Packet Received While a Packet is
Being Transmitted
0 = Do Not Ignore
R/W
0
2
TXPRE_DIS
Transmit Preamble
Disable
1 = Preamble Not Added to Beginning of TX Packet
0 = Preamble Added
R/W
0
1
AUTOPAD
AutoPad Enable
1 = All Undersize Xmt Packets Padded to 64 Bytes
0 = No Padding
R/W
0
0
GRPADR
Group Address
Mode Enable
1 = Group Address Mode Enabled, i.e. Ignore Last 4
Bits of Receive Destination Address (DA) when
Comparing Unicast DA to Station Address
0 = Disabled
R/W
0
Bit 0 Occurs On CDST0/CDST8 Pin
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