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參數(shù)資料
| 型號： | DM9008F |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | ISA/Plug & Play Super Ethernet Contoller |
| 中文描述： | 的ISA /插頭 |
| 文件頁數(shù)： | 19/68頁 |
| 文件大?。?/td> | 403K |
| 代理商： | DM9008F |
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DM9008
ISA/Plug & Play Super Ethernet Contoller
Final
Version :DM9008-DS-F02
June 14, 2000
19
Receive Configuration Register (RCR)
This register determines the operation of the NIC during reception of a packet, and is used to program what types of packets to accept.
7
6
5
4
3
2
1
0
--
--
MON
PRO
AM
ABP
ARP
SEP
Bit
Symbol
Description
D0
SEP
Save Errored Packets
0: Packets with receive errors are rejected
1: Packets with receive errors are accepted. Receive errors are CRC and Frame
Alignment errors
D1
ARP
Accept Runt Packets
0: Packets with fewer than 64 bytes rejected
1: Packets with fewer than 64 bytes accepted
D2
ABP
Accept Broadcast
0: Packets with all 1's broadcast destination address rejected
1: Packets with all 1's broadcast destination address accepted
D3
AM
Accept Multicast
0: Packets with multicast destination address not checked
1: Packets with multicast destination address checked
D4
PRO
Promiscuous Physical
0: Physical address of node must match the station address programmed in PARO-
PAR5 (physical address checked)
1: All packets with physical address accepted (physical address not checked)
D5
MON
Monitor Mode: Enables the receiver to check addresses and CRC on incoming packets
without buffering to memory. The Missed Packet Tally counter will be incremented for each
recognized packet
0: Packets buffered to memory
1: Packets checked for address match, good CRC and Frame Alignment, but not buffered
to memory
D6
--
Reserve: must be set to zero
D7
--
Reserved
Note: D2 and D3 are "OR'd" together, i.e., if D2 and D3 are set, DM9008 will accept broadcast and multicast
addresses, as well as its own physical address. To establish full promiscuous mode, bits D2, D3, and D4
should be set. In addition, the multicast hashing array must be set to all 1's to accept all multicast addresses
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