
DM9010
Single Chip Ethernet Controller with General Processor Interface
Preliminary
36
Version: DM9010-DS-P03
Apr. 28, 2005
The DM9010's auto-negotiation state machine will
automatically control this bit from the incoming FLP bursts.
Software should not attempt to write to this bit
5.13
RF
0, RO
Remote Fault
1 = Remote fault indicated by link partner
0 = No remote fault indicated by link partner
5.12-5.1
1
Reserved
0, RO
Reserved
Read as 0, ignore on write
5.10
FCS
0, RO
Flow Control Support
1 = Controller chip supports flow control ability by link
partner
0 = Controller chip doesn’t support flow control ability by
link partner
5.9
T4
0, RO
100BASE-T4 Support
1 = 100BASE-T4 is supported by the link partner
0 = 100BASE-T4 is not supported by the link partner
5.8
TX_FDX
0, RO
100BASE-TX Full Duplex Support
1 = 100BASE-TX full duplex is supported by the link partner
0 = 100BASE-TX full duplex is not supported by the link
partner
5.7
TX_HDX
0, RO
100BASE-TX Support
1 = 100BASE-TX half duplex is supported by the link
partner
0 = 100BASE-TX half duplex is not supported by the link
partner
5.6
10_FDX
0, RO
10BASE-T Full Duplex Support
1 = 10BASE-T full duplex is supported by the link partner
0 = 10BASE-T full duplex is not supported by the link
partner
5.5
10_HDX
0, RO
10BASE-T Support
1 = 10BASE-T half duplex is supported by the link partner
0 = 10BASE-T half duplex is not supported by the link
partner
5.4-5.0
Selector
<00000>,
RO
Protocol Selection Bits
Link partner’s binary encoded protocol selector
8.7 Auto-negotiation Expansion Register (ANER)- 06
Bit
Bit Name
Default
Description
6.15-6.5
Reserved
0, RO
Reserved
Read as 0, ignore on write
6.4
PDF
0, RO/LH
Local Device Parallel Detection Fault
PDF = 1: A fault detected via parallel detection function.