DM9000_09 DAVICOM [Davicom Semiconductor, Inc.], DM9000_09 Datasheet - Page 14

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DM9000_09

Manufacturer Part Number
DM9000_09
Description
ISA to Ethernet MAC Controller with Integrated 10/100 PHY
Manufacturer
DAVICOM [Davicom Semiconductor, Inc.]
Datasheet
6.4 TX Status Register I ( 03H ) for packet index I
6.5 TX Status Register II ( 04H ) for packet index I I
6.6 RX Control Register ( 05H )
Final
Version: DM9000-DS-F03
April 23, 2009
1:0
1:0
Bit
Bit
Bit
7
6
5
4
3
2
7
6
5
4
3
2
7
6
5
4
3
2
1
0
RESERVED
RESERVED
RESERVED
DIS_LONG
DIS_CRC
PRMSC
WTDIS
RUNT
Name
RXEN
Name
Name
TJTO
TJTO
ALL
COL
COL
NC
NC
EC
EC
LC
LC
LC
LC
Default
Default
Default
0,RW
0,RW
0,RW
0,RW
0,RW
0,RW
0,RW
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
0,RO
Transmit Jabber Time Out
It is set to indicate that the transmitted frame is truncated due to more than 2048
bytes are transmitted
Loss of Carrier
It is set to indicate the loss of carrier during the frame transmission. It is not valid in
internal loopback mode
No Carrier
It is set to indicate that there is no carrier signal during the frame transmission. It is
not valid in internal loopback mode
Late Collision
It is set when a collision occurs after the collision window of 64 bytes
Collision Packet
It is set to indicate that the collision occurs during transmission
Excessive Collision
It is set to indicate that the transmission is aborted due to 16 excessive collisions
Reserved
Transmit Jabber Time Out
It is set to indicate that the transmitted frame is truncated due to more than 2048
bytes are transmitted
Loss of Carrier
It is set to indicate the loss of carrier during the frame transmission. It is not valid in
internal loopback mode
No Carrier
It is set to indicate that there is no carrier signal during the frame transmission. It is
not valid in internal loopback mode
Late Collision
It is set when a collision occurs after the collision window of 64 bytes
Collision packet, collision occurs during transmission
Excessive Collision
It is set to indicate that the transmission is aborted due to 16 excessive collisions
Reserved
Reserved
Watchdog Timer Disable
When set, the Watchdog Timer (2048 bytes) is disabled. Otherwise it is enabled
Discard Long Packet
Packet length is over 1522byte
Discard CRC Error Packet
Pass All Multicast
Pass Runt Packet
Promiscuous Mode
RX Enable
ISA to Ethernet MAC Controller with Integrated 10/100 PHY
Description
Description
Description
DM9000
14

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