
IP100
10.1.8 10BASE-T Control
Class............................. PHY Registers
Access Method ............. Accessed through PhyCtrl register
Register Address .......... 0x12
Default .......................... 0x7000
Width ............................ 16 bits
BIT
BIT NAME
15
F_link_10
IP100-DS-R03
May 27, 2003
25/92
Copyright
2003, IC Plus Corp.
All rights reserved.
Preliminary, Specification subject to change without notice.
R/W
R/W
BIT DESCRIPTION
Force speed to 10M and can transmit data.
0 = Normal operation.
1 = Force 10M and can transmit data.
Tx NLP enabled.
0 = Disable normal link pulse function.
1 = Enable normal link pulse function.
Heartbeat enable.
0 = Disable heartbeat function.
1 = Enable heartbeat function.
Jabber function enable.
0 = Disable Jabber function.
1 = Enable Jabber function.
Repeater Mode Enable. To configure the IP100 in repeater mode,
reprt_en must be a logic 1. If reprt_en is a logic 0, the IP100 is in
NIC mode.
Reserved for future use.
10BaseT Polarity
0 = 10BaseT polarity correct.
1 = 10BaseT polarity reversed.
14
NLP enable
R/W
13
HRTBTEN
R/W
12
JABEN
R/W
11
reprt_en
R/W
10..1
0
Reserved
r18_10_polrev
N/A
R
10.1.9 100BASE-TX Control
Class............................. PHY Registers
Access Method ............. Accessed through PhyCtrl register
Register Address .......... 0x13
Default .......................... 0x4000
Width ............................ 16 bits
BIT
BIT NAME
15
r19_savepw
14
r19_utpdet
13
r19_load_dsp
R/W
R/W
R/W
R/W
BIT DESCRIPTION
Save power enable.
Enable UTP link detection.
Load load_dsp signal
1 = Fix load_dsp signal to 0.
0 = Output normal load_dsp signal.
Force speed to 100M and can transmit data.
0 = Normal operation.
1 = Force 100M and can transmit data.
Reserved for future use.
Update register_4 signal.
12
r19_f_link_100
R/W
11..8
7
Reserved
updated_r4_en
N/A
R/W