Micrel, Inc.
KSZ8041NL/RNL
Pin Description – KSZ8041RNL (Continued)
Type(1)
Pin Number Pin Name
Pin Function
RMII Transmit Data Input[0](3)
RMII Transmit Data Input[1](3)
No connect
24
25
26
27
28
TXD0
TXD1
NC
I
I
I
I
NC
No connect
CONFIG0
Ipd/O
The pull-up/pull-down value is latched as CONFIG0 during power-up / reset.
See “Strapping Options” section for details.
29
30
CONFIG1
Ipd/O
Ipu/O
The pull-up/pull-down value is latched as CONFIG1 during power-up / reset.
See “Strapping Options” section for details.
LED0 /
LED Output:
Programmable LED0 Output /
NWAYEN
Config Mode:
during
Latched as Auto-Negotiation Enable (register 0h, bit 12)
power-up / reset. See “Strapping Options” section for details.
The LED0 pin is programmable via register 1Eh bits [15:14], and is defined as
follows.
LED mode = [00]
Link/Activity
No Link
Link
Pin State
LED Definition
OFF
H
L
ON
Activity
Toggle
Blinking
LED mode = [01]
Link
Pin State
LED Definition
No Link
Link
H
L
OFF
ON
LED mode = [10] , [11]
Reserved
September 2010
17
M9999-090910-1.4
MICROCHIP [ MICROCHIP ]
