KSZ8851-16MLLU TR Micrel, KSZ8851-16MLLU TR Datasheet - Page 69
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KSZ8851-16MLLU TR
Manufacturer Part Number
KSZ8851-16MLLU TR
Description
Ethernet ICs Single-Port Ethernet Controller (Automotive Grade)
Manufacturer
Micrel
Datasheet
1.KSZ8851-16MLLU.pdf
(83 pages)
Specifications of KSZ8851-16MLLU TR
Rohs
yes
Product
Ethernet Controllers
Package / Case
LQFP-48
Mounting Style
SMD/SMT
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Port 1 Control Register (0xF6 – 0xF7): P1CR
This register contains the global per port control for the chip function.
May 2012
Micrel, Inc.
9
8-0
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
Default
0x000
0
0
0
0
0
0
0
0
0
1
1
1
1
1
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO
Remote (Near-end) loopback (rlb)
1 = perform remote loopback at PHY
(RXP1/RXM1 -> TXP1/TXM1, see Figure 10)
0 = normal operation
Vct_fault_count
VCT fault count.
Distance to the fault. It’s approximately
0.4m*vct_fault_count.
Description
LED Off
1 = Turn off all of the port 1 LEDs (P1LED3,
P1LED2, P1LED1, P1LED0). These pins are driven
high if this bit is set to one.
0 = normal operation.
Txids
1 = disable the port’s transmitter.
0 = normal operation.
Restart AN
1 = restart auto-negotiation.
0 = normal operation.
Reserved
Reserved
Disable auto MDI/MDI-X
1 = disable auto MDI/MDI-X function.
0 = enable auto MDI/MDI-X function.
Force MDI-X
1= if auto MDI/MDI-X is disabled, force PHY into
MDI-X mode.
0 = do not force PHY into MDI-X mode.
Reserved
Auto Negotiation Enable
1 = auto negotiation is enabled.
0 = disable auto negotiation, speed, and duplex are
decided by bits 6 and 5 of the same register.
Force Speed
1 = force 100BT if AN is disabled (bit 7).
0 = force 10BT if AN is disabled (bit 7).
Force Duplex
1 = force full duplex if (1) AN is disabled or (2) AN
is enabled but failed.
0 = force half duplex if (1) AN is disabled or (2) AN
is enabled but failed.
Advertised flow control capability
1 = advertise flow control (pause) capability.
0 = suppress flow control (pause) capability from
transmission to link partner.
Advertised 100BT full-duplex capability
69
Bit is same as:
Bit 0 in P1MBCR
Bit 1 in P1MBCR
Bit 9 in P1MBCR
Bit 3 in P1MBCR
Bit 4 in P1MBCR
Bit 12 in P1MBCR
Bit 13 in P1MBCR
Bit 8 in P1MBCR
Bit 10 in P1ANAR
Bit 8 in P1ANAR
KSZ8851-16MLL/MLLI
M9999-050112-2.1
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