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DM9601
USB to Ethernet MAC Controller with Integrated 10/100 PHY
Preliminary
37
Version: DM9601-DS-P01
June 22, 2001
11.10 10BASE-T Configuration/Status (10BTCSR) - 18
Bit
Bit Name
Default
Description
18.15
RESERVED
0, RO
Reserved
Write as 0, ignore on read
18.14
LP_EN
1, RW
Link Pulse Enable
1 = Transmission of link pulses enabled
0 = Link pulses disabled, good link condition forced
This bit is valid only in 10Mbps operation
18.13
HBE
1,RW
Heartbeat Enable
1 = Heartbeat function enabled
0 = Heartbeat function disabled
When the PHY is configured for full duplex operation, this bit will be
ignored (the collision/heartbeat function is invalid in full duplex
mode).
18.12
SQUELCH
1, RW
Squelch Enable
1 = normal squelch
0 = low squelch
18.11
JABEN
1, RW
Jabber Enable
Enables or disables the Jabber function when the PHY is in
10BASE-T full duplex or 10BASE-T transceiver loopback mode
1 = Jabber function enabled
0 = Jabber function disabled
12.
18.10-
18.1
RESERVED
0, RO
Reserved
Write as 0, ignore on read
18.0
POLR
0, RO
Polarity Reversed
When this bit is set to 1, it indicates that the 10Mbps cable polarity
is reversed. This bit is set and cleared by 10BASE-T module
automatically
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