DM9010
Single Chip Ethernet Controller with General Processor Interface
8.12 (Specified config) Register – 20
Bit
Bit Name
Default
Description
20.15
0,RW
Vendor test select control
TSTSE1
TSTSE2
20.13 FORCE_TXS
D
20.14
0,RW
0,RW
Vendor test select control
Force Signal Detect
1: force SD signal OK in 100M
0: normal SD signal.
Vendor test select control
Reserved
20.12 FORCE_FEF
0,RW
0, RO
20.11-20
.8
Reserved
Read as 0, ignore on write
20.7
MDI/MDIX, The polarity of MDI/MDIX value
MDIX_CNTL
RO
1: MDIX mode
0: MDI mode
20.6
20.5
20.4
AutoNeg_dpb
k
0,RW
Auto-negotiation Loopback
1: test internal digital auto-negotiation Loopback
0: normal.
MDIX_CNTL force value:
When Mdix_down = 1, MDIX_CNTL value depend on the
register value.
Mdix_fix
Value
0, RW
0,RW
Mdix_down
MDIX Down
Manual force MDI/MDIX.
0: Enable HP Auto-MDIX
1: Disable HP Auto-MDIX , MDIX_CNTL value depend on
20.5
20.3
20.2
20.1
MonSel1
MonSel0
Reserved
0,RW
0,RW
0,RW
Vendor monitor select
Vendor monitor select
Reserved
Force to 0, in application.
Power down control value
Decision the value of each field Register 19.
1: power down
20.0
PD_value
0,RW
0: normal
Preliminary
42
Version: DM9010-17--DS-P04
Jan. 18, 2006
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
