KSZ8795CLX
TABLE 4-31: MIIM REGISTERS (CONTINUED)
Address
Name
Description
Mode
Default
1
Disable
Transmit
1 = Disable transmit.
0 = Normal operation.
R/W
0
0
Disable LED 1 = Disable LED.
0 = Normal operation.
R/W
0
Register 1h: Basic Status
15
14
T4 Capable 0 = Not 100 BASET4 capable.
RO
RO
0
1
100 Full
Capable
1 = 100BASE-TX full-duplex capable.
0 = Not capable of 100BASE-TX full-duplex.
13
12
11
100 Half
Capable
1 = 100BASE-TX half-duplex capable.
0 = Not 100BASE-TX half-duplex capable.
RO
RO
RO
1
1
1
10 Full
Capable
1 = 10BASE-T full-duplex capable.
0 = Not 10BASE-T full-duplex capable.
10 Half
Capable
1 = 10BASE-T half-duplex capable.
0 = 10BASE-T half-duplex capable.
10 - 7
Reserved
Reserved
—
—
RO
RO
RO
0
0
0
6
5
ANComplete 1 = Auto-Negotiation complete.
0 = Auto-Negotiation not completed.
4
3
2
Far EndFault 1 = Far end fault detected.
0 = No far end fault detected.
RO
RO
RO
0
1
0
AN Capable 1 = Auto-Negotiation capable.
0 = Not Auto-Negotiation capable.
Link Status 1 = Link is up.
0 = Link is down.
1
0
Reserved
—
RO
RO
0
0
Extended
Capable
0 = Not extended register capable.
Register 2h: PHYID HIGH
15 - 0
Phyid High High order PHYID bits.
RO
RO
0x0022
0x1550
Register 3h: PHYID LOW
15 - 0
Phyid Low Low order PHYID bits.
Register 4h: Advertisement Ability
15
14
Reserved
Reserved
Reserved
Reserved
Pause
—
—
—
—
RO
RO
RO
RO
R/W
0
0
13
0
12 - 11
10
01
1
1 = Advertise pause ability.
0 = Do not advertise pause ability.
9
8
Reserved
—
R/W
R/W
0
1
Adv 100 Full 1 = Advertise 100 full-duplex ability.
0 = Do not advertise 100 full-duplex ability.
7
6
5
Adv 100 Half 1 = Advertise 100 half-duplex ability.
0 = Do not advertise 100 half-duplex ability.
R/W
R/W
R/W
1
1
1
Adv 10 Full 1 = Advertise 10 full-duplex ability.
0 = Do not advertise 10 full-duplex ability.
Adv 10 Half 1 = Advertise 10 half-duplex ability.
0 = Do not advertise 10 half-duplex ability.
2016 Microchip Technology Inc.
DS00002112A-page 109
MICREL [ MICREL SEMICONDUCTOR ]
