KSZ9021GN View Datasheet(PDF) - Micrel

Part Name

Description

Manufacturer

KSZ9021GN

Gigabit Ethernet Transceiver with GMII / MII Support

Micrel 

Micrel, Inc.

KSZ9021GN

List of Tables

Table 1. MDI / MDI-X Pin Mapping ................................................................................................................................... 18

Table 2. Auto-Negotiation Timers ..................................................................................................................................... 21

Table 3. GMII Signal Definition ......................................................................................................................................... 22

Table 4. MII Signal Definition ............................................................................................................................................ 24

Table 5. MII Management Frame Format – for KSZ9021GN ........................................................................................... 25

Table 6: Single LED Mode – Pin Definition....................................................................................................................... 26

Table 7: Tri-color Dual LED Mode – Pin Definition ........................................................................................................... 26

Table 8. NAND Tree Test Pin Order – for KSZ9021GN ................................................................................................... 27

Table 9. GMII Transmit Timing Parameters...................................................................................................................... 44

Table 10. GMII Receive Timing Parameters..................................................................................................................... 45

Table 11. MII Transmit Timing Parameters....................................................................................................................... 46

Table 12. MII Receive Timing Parameters........................................................................................................................ 47

Table 13. Auto-Negotiation Fast Link Pulse (FLP) Timing Parameters ............................................................................ 48

Table 14. MDC/MDIO Timing Parameters ........................................................................................................................ 49

Table 15. Reset Timing Parameters ................................................................................................................................. 50

Table 16. Reference Crystal/Clock Selection Criteria....................................................................................................... 52

Table 17. Magnetics Selection Criteria ............................................................................................................................. 52

Table 18. Qualified Single Port 10/100/1000 Magnetics................................................................................................... 52

September 2010

7

M9999-091010-1.1

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