參數(shù)資料
型號: L84302
元件分類: 通用總線功能
英文描述: L84302 Quad 100/10 Mbps 4-Port Ethernet Controller with RMON/SNMP Management Counters technical manual 4/02
中文描述: L84302四100/10 Mbps的4端口以太網(wǎng)的遠(yuǎn)程監(jiān)控控制器/ SNMP管理處的技術(shù)手冊,4月2日
文件頁數(shù): 78/128頁
文件大?。?/td> 997K
代理商: L84302
78 of 128
April, 2002
L84302 Quad 4-Port Ethernet Controller - Technical Manual
Copyright 1997-2002 by LSI Logic Corporation. All rights reserved.
Bit 0 occurs on CDST0/CDST8 pin
Table 23
Configuration 2 Register Definition
7
6
0
5
4
3
2
1
0
TXRDY
R/W
ENDIAN
R/W
RXAB_DIS
R/W
HASH
R/W
PEOF
R/W
TXOFF
R/W
TXSTS_DIS
R/W
R/W
Bit
Symbol
Name
Definition
R/W
Def.
7
TXRDY
TXRDY Func-
tion Select
1 = TXRDY deasserted when EOF written
into TX FIFO & stays deasserted until pkt
transmitted. TXRDY also deasserted by
threshold limit.
0 = TXRDY deasserted by TX FIFO threshold
only
R/W
0
6
Reserved. Must always be left at default or
written to 0 for proper operation
R/W
0
5
ENDIAN
Endian Select
1 = RXTXDATA[31:0] in big endian format
0 = RXTXDATA[31:0] in little endian format
R/W
0
4
RXAB_DIS
RXABORT Pin
Disable
1 = RXABORT pin disabled, i.e. receive pkts
are not discarded when RXABORT pin
asserted
0 = RXABORT pin enabled
R/W
0
3
HASH
Receive Hash
Filter Enable
1 = Receive hash filter on for multicast
operation
0 = Hash filter off
R/W
0
2
PEOF
Receive EOF
Position Select
1 = Receive EOF occurs at end of packet
data and on status word
0 = Receive EOF occurs on status word
R/W
0
1
TXOFF
Transmit Off
When Status
Full
1 = No more packets transmitted if both TX
status registers are full
0 = Transmit operation not affected by TX
status registers
R/W
0
0
TXSTS_DIS
Transmit Status
Disable
1 = TX status disabled, i.e. TX packet status
will not be loaded into either of the two inter-
nal TX status registers
0 = TX status enabled
R/W
0
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