AN983B Datasheet, PDF (54/91 Pages) List of Unclassifed Manufacturers – PCI/miniPCI-to-Ethernet LAN Controller

AN983B PCI/miPCI Fast Ethernet Controller with integrated PHY
TDES0 Own Status
TDES1 Control
Buffer2 byte-count
TDES2 Buffer1 address
TDES3 Buffer2 address
Descriptor addresses must be longword alignment
7.4.2.2. Transmit Descriptor Descriptions
Buffer1 byte-count
TDES0
Bit # Name
31
OWN
30-24 ---
23-22 UR
21-16 ---
15
ES
14
TO
13-12 -----
11
LO
10
NC
9
LC
8
EC
7
HF
6-3
CC
2
-----
1
UF
0
DE
Descriptions
Own bit
1: Indicate this descriptor is ready to transmit
0: No transmit data in this descriptor for transmission
Reserved
Under-run count
Reserved
Error summary, OR of the following bit
1: under-run error
8: excessive collision
9: late collision
10: no carrier
11: loss carrier
14: jabber time-out
Transmit jabber time-out
Reserved
Loss carrier
No carrier
Late collision
Excessive collision
Heartbeat fail
Collision count
Reserved
Under-run error
Deferred
TDES1
Bit # Name
31
IC
30
LS
29
FS
28,27 ---
26
AC
Descriptions
Interrupt completed
Last descriptor
First descriptor
Reserved
Disable add CRC function
Rev. 1.8
ADMtek Inc.
www.admtek.com.tw