Specifications

Micrel, Inc.
KSZ8895MQ/RQ/FMQ
MIIM Registers (Continued)
Address Name Description Mode Default
Register 5h: Link Partner Ability
15 Next Page Not supported. RO 0
14 LP ACK Not supported. RO 0
13 Remote fault Not supported. RO 0
12−11
Reserved RO 0
10 Pause
1, link partner flow control capable.
0, link partner not flow control capable.
RO 0
9 Reserved RO 0
Address Name Description Mode Default
8 Adv 100 Full
1, link partner 100BT full-duplex capable.
0, link partner not 100BT full-duplex capable.
RO 0
7 Adv 100 Half
1, link partner 100BT half-duplex capable.
0, link partner not 100BT half-duplex capable.
RO 0
6 Adv 10 Full
1, link partner 10BT full-duplex capable.
0, link partner not 10BT full-duplex capable.
RO 0
5 Adv 10 Half
1, link partner 10BT half-duplex capable.
0, link partner not 10BT half-duplex capable.
RO 0
4-0 Reserved RO 00001
Register 1dh: Reserved
15 Reserved RO 0
14-13 Reserved RO 00
12 Reserved RO 0
11-9 Reserved RO 0
8−0
Reserved RO 000000000
Register 1fh: PHY Special Control/Status
15−11
Reserved RO 0000000000
10−8
Port Operation Mode
Indication
Indicate the current state of port operation mode:
[000] = reserved
[001] = still in auto-negotiation
[010] = 10BASE-T half duplex
[011] = 100BASE-TX half duplex
[100] = reserved
[101] = 10BASE-T full duplex
[110] = 100BASE-TX full duplex
[111] = PHY/MII isolate
RO 000
7−6
Reserved N/A, Do Not change R/W xx
5 Polrvs
1 = Polarity is reversed
0 = Polarity is not reversed
RO 0
4 MDI-X status
1 = MDI
0 = MDI-X
RO 0
3 Force_lnk
1 = Force link pass
0 = Normal operation
R/W 0
2 Pwrsave
1 = Enable power save
0 = Disable power save
R/W 0
March 12, 2014
102
Revision 1.7