Micrel, Inc.
KSZ8041NL/RNL
Contents
General Description..............................................................................................................................................................1
Functional Diagram...............................................................................................................................................................1
Features .................................................................................................................................................................................2
Applications...........................................................................................................................................................................2
Ordering Information ............................................................................................................................................................2
Revision History....................................................................................................................................................................3
List of Figures........................................................................................................................................................................7
List of Tables.........................................................................................................................................................................8
Pin Configuration – KSZ8041NL..........................................................................................................................................9
Pin Description – KSZ8041NL............................................................................................................................................10
Pin Description – KSZ8041NL (continued).......................................................................................................................11
Pin Description – KSZ8041NL (continued).......................................................................................................................12
Pin Description – KSZ8041NL (continued).......................................................................................................................13
Strapping Options – KSZ8041NL.......................................................................................................................................14
Pin Configuration – KSZ8041RNL .....................................................................................................................................15
Pin Description – KSZ8041RNL.........................................................................................................................................16
Pin Description – KSZ8041RNL (continued) ....................................................................................................................17
Pin Description – KSZ8041RNL (continued) ....................................................................................................................18
Strapping Options – KSZ8041RNL....................................................................................................................................19
Functional Description .......................................................................................................................................................20
100Base-TX Transmit.......................................................................................................................................................20
100Base-TX Receive........................................................................................................................................................20
PLL Clock Synthesizer......................................................................................................................................................20
Scrambler/De-scrambler (100Base-TX only)....................................................................................................................20
10Base-T Transmit ...........................................................................................................................................................20
10Base-T Receive ............................................................................................................................................................21
SQE and Jabber Function (10Base-T only)......................................................................................................................21
Auto-Negotiation...............................................................................................................................................................21
MII Management (MIIM) Interface ....................................................................................................................................23
Interrupt (INTRP) ..............................................................................................................................................................23
MII Data Interface (KSZ8041NL only) ..............................................................................................................................23
MII Signal Definition (KSZ8041NL only)...........................................................................................................................24
Transmit Clock (TXC)...................................................................................................................................................24
Transmit Enable (TXEN) ..............................................................................................................................................24
Transmit Data [3:0] (TXD[3:0]) .....................................................................................................................................24
Receive Clock (RXC)....................................................................................................................................................24
Receive Data Valid (RXDV)..........................................................................................................................................25
Receive Data [3:0] (RXD[3:0])......................................................................................................................................25
Receive Error (RXER) ..................................................................................................................................................25
Carrier Sense (CRS) ....................................................................................................................................................25
Collision (COL) .............................................................................................................................................................25
September 2010
4
M9999-090910-1.4
MICREL [ MICREL SEMICONDUCTOR ]
