DM9016
3-port switch with Processor Interface
8.10 10BASE-T Configuration/Status (10BTCSR) – 12H
Bit
Bit Name
Default
Description
15
Reserved
0, RO
Reserved
Read as 0, ignore on write
Link Pulse Enable
0 = Link pulses disabled, good link condition forced
1 = Transmission of link pulses enabled
This bit is valid only in 10Mbps operation
Heartbeat Enable
14
13
LP_EN
HBE
1, RW
1,RW
0 = Heartbeat function disabled
1 = Heartbeat function enabled
When the DM9016 is configured for full duplex operation, this bit will
be ignored (the collision/heartbeat function is invalid in full duplex
mode)
12
11
SQUELCH
JABEN
1, RW
1, RW
Squelch Enable
0 = Low squelch
1 = Normal squelch
Jabber Enable
Enables or disables the Jabber function when the DM9016 is in
10BASE-T full duplex or 10BASE-T transceiver Loopback mode
0 = Jabber function disabled
1 = Jabber function enabled
10
9-1
0
SERIAL
Reserved
POLR
0, RW
0, RO
0, RO
10M Serial Mode (valid in PHY test mode)
Force to 0, in application.
Reserved
Read as 0, ignore on write
Polarity Reversed
When this bit is set to 1, it indicates that the 10Mbps cable polarity is
reversed. This bit is automatically set and cleared by 10BASE-T
module
8.11 Power Down Control Register (PWDOR) – 13H
Bit
Bit Name
Default
Description
15-9
Reserved
0, RO
Reserved
Read as 0, ignore on write
8
7
6
5
4
3
2
1
0
PD10DRV
PD100DL
PDchip
PDcrm
PDaeq
PDdrv
PDedi
PDedo
PD10
0, RW
0, RW
0, RW
0, RW
0, RW
0, RW
0, RW
0, RW
0, RW
Vendor power down control test
Vendor power down control test
Vendor power down control test
Vendor power down control test
Vendor power down control test
Vendor power down control test
Vendor power down control test
Vendor power down control test
Vendor power down control test
* When selected, the power down value is control by Register 0x14H
58
Preliminary datasheet
DM9016-13-DS-P01
March 26, 2009
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
