KSZ8841-16 Micrel Semiconductor, KSZ8841-16 Datasheet - Page 75

• Manufacturer Part Number: KSZ8841-16
• Description: Single-port Ethernet Mac Controller With Non-pci Interface
• Manufacturer: Micrel Semiconductor

Bank 49 Port 1 Control Register 4 (0x02): P1CR4
This register contains the global per port control for the chip function.
November 2005
Micrel Confidential
Bit
15
14
13
12
11
10
9
8
7
6
5
Default
0
0
0
0
0
0
0
0
1
0
0
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
D
LED O
1 =
P1LED2, P1LED1, P1LED0). These pins are driven
high if this bit is set to one.
0 = normal operation.
Txids
1 = disa
0 = normal operation.
Restar
1
0 = normal operation.
Disabl
1 = disa
transmi
0 = enable far end fault detection and pattern
tr
Power
1 = pow
0 = nor
D
1 = disable auto MDI/MDI-X function.
0 = enable auto MDI/MDI-X function.
Force
1
M
0 = do
Reserved
Auto N
1 =
0 = disable auto negotiation, speed, and duplex are
decided
Force Sp
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
= if auto MDI/MDI-X is disabled, force PHY into
ansmi
escri
isable auto MDI/MDI-X
DI-X
= restart auto-negotiation.
bl d b t f il d
Turn off all of the port 1 LEDs (P1LED3,
auto negotiation is enabled.
e Far-End-Fault
MDI-X
ption
ff
t AN
mode.
not force PHY into MDI-X mode.
mal operation.
egotiation Enable
ssion.
ssion.
Down
ble the port’s transmitter.
ble far-end-fault detection and pattern
er down.
by bits 6 and 5 of the same register.
eed
75
Bit is same as:
Bank 45 0x00 bit 0
Bank45 0x00 bit 1
Bank 45 0x00 bit 9
Bank 45 0x00 bit 2
Bank 45 0x00 bit 11
Bank 45 0x00 bit 3
Bank 45 0x00 bit 4
Bank 45 0x00 bit 12
Bank 45 0x00 bit 13
Bank 45 0x00 bit 8
KSZ8841-16/32 MQL/MVL
Rev 1.3