KSZ8041NL Micrel Inc, KSZ8041NL Datasheet - Page 38

• Manufacturer Part Number: KSZ8041NL
• Manufacturer: Micrel Inc

Specifications of KSZ8041NL

• Lead Free Status / RoHS Status: Compliant

Micrel, Inc.
Register Description (Continued)
September 2010
Address
Register 1Eh – PHY Control 1
1e:15:14
1e.13
1e.12
1e.11
1e:10:8
1e:7
1e:6:0
Register 1Fh – PHY Control 2
1f:15
1f:14
1f:13
1f.12
1f.11
Name
LED mode
Polarity
Reserved
MDI/MDI-X
State
Reserved
Remote
loopback
Reserved
HP_MDIX
MDI/MDI-X
Select
Pairswap
Disable
Energy Detect
Force Link
Description
[00] =
[01] =
[10], [11] = Reserved
0 = Polarity is not reversed
1 = Polarity is reversed
0 = MDI
1 = MDI-X
0 = Normal mode
1 = Remote (analog) loop back is enable
0 = Micrel Auto MDI/MDI-X mode
1 = HP Auto MDI/MDI-X mode
When Auto MDI/MDI-X is disabled,
0 = MDI Mode
1 = MDI-X Mode
1 = Disable auto MDI/MDI-X
0 = Enable auto MDI/MDI-X
1 = Presence of signal on RX+/- analog wire
0 = No signal detected on RX+/-
1 = Force link pass
0 = Normal link operation
This bit bypasses the control logic and allow
transmitter to send pattern even if there is no
link.
Transmit on RX+/- (pins 5,4) and
Receive on TX+/- (pins 7,6)
pair
Transmit on TX+/- (pins 7,6) and
Receive on RX+/- (pins 5,4)
LED1 : Speed
LED0 : Link/Activity
LED1 : Activity
LED0 : Link
38
Mode
RW
RO
RO
RO
RW
RW
RW
RW
RO
RW
(1)
Default
00
0
0
1
0
0
0
0
M9999-090910-1.4
KSZ8041NL/RNL