
IP113M LF
Preliminary Data Sheet
49/58
April 9, 2007
Copyright © 2004, IC Plus Corp.
IP113M LF-DS-R11
Extended MII registers and EEPROM registers 23
MII
ROM
NAME
R/W
DESCRIPTION
DEFAULT
Link partner MC extended status register (MII register 23D)
23.0
--
lp_loopback_en
RO
Loop-back enable of remote LP
1: Link partner’s fiber port is in loop back
mode. Its fiber port will forward all receiving
frames from FXRDP/M to FXTDP/M..
0: Link partner’s fiber port is in normal mode
0
23.1
--
lp_status_rpt_en
RO
Option B support
1: Link partner supports TS-1000 option B
0: not support
0
23.2
--
lp_tp_autoneg_en
RO
TP port auto-negotiation enable
1: Link supports aut0-negotuation,
0: Link partner doesn’t support auto-negotiation.
0
23.3
--
lp_tp_speed_mode
RO
TP port speed of link partner
1: 100M,
0:10M
0
23.4
--
lp_tp_duplex_mode
RO
TP port duplex mode of link partner
1: full duplex,
0: half duplex
0
23.5
--
lp_tp_flow_ctrl_en
RO
TP port flow control of link partner.
1: flow control enable
0: flow control disable
This bit is valid only if MII register 20 bit10
is set to be 0.
0
23.6
--
lp_tp_link_off
RO
TP port link status of link partner
1: link off,
0:link on
1
23.7
--
lp_fb_flow_ctrl_en
RO
Fiber port flow control/backpressure of link
partner
This bit is valid only if MII register 20 bit10
is set to be 0.
1: flow control enable
0: flow control disable
0
23.8
--
lp_fb_duplex_mode
RO
Fiber port duplex mode of link partner
1: full duplex, 0: half duplex
This bit is valid only if MII register 20 bit10
is set to be 0.
0
23.9
--
lp_fb_link_status
RO
Fiber port signal detect status of link partner
1: off,
0: on
This bit is valid only if MII register 20 bit10
is set to be 0.
0