DM9000A_06 DAVICOM [Davicom Semiconductor, Inc.], DM9000A_06 Datasheet - Page 16

• Manufacturer Part Number: DM9000A_06
• Description: Ethernet Controller with General Processor Interface
• Manufacturer: DAVICOM [Davicom Semiconductor, Inc.]

6.5 TX Status Register II ( 04H ) for packet index I I
6.6 RX Control Register ( 05H )
6.7 RX Status Register ( 06H )
Final
Version: DM9000A-17-DS-F01
May 10, 2006
1:0
1:0
Bit
Bit
Bit
7
6
5
4
3
2
7
6
5
4
3
2
1
0
7
6
5
4
3
2
RESERVED
RESERVED
RESERVED
DIS_LONG
DIS_CRC
PRMSC
WTDIS
RWTO
Name
RUNT
RXEN
Name
Name
TJTO
ALL
LCS
PLE
COL
MF
RF
AE
NC
EC
LC
LC
PS0,RW
PS0,RW
PS0,RW
PS0,RW
PS0,RW
PS0,RW
PS0,RW
PS0,RW
PS0,RO
PS0,RO
PS0,RO
PS0,RO
PS0,RO
PS0,RO
Default
Default
Default
PS0,RO
PS0,RO
PS0,RO
PS0,RO
PS0,RO
PS0,RO
0,RO
0,RO
Runt Frame
It is set to indicate that the size of the received frame is smaller than 64 bytes
Multicast Frame
It is set to indicate that the received frame has a multicast address
Late Collision Seen
It is set to indicate that a late collision is found during the frame reception
Receive Watchdog Time-Out
It is set to indicate that it receives more than 2048 bytes
Physical Layer Error
It is set to indicate that a physical layer error is found during the frame reception
Alignment Error
It is set to indicate that the received frame ends with a non-byte boundary
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
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
Ethernet Controller with General Processor Interface
Description
Description
Description
DM9000A
16