KSZ9021RL Ver la hoja de datos (PDF) - Micrel

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KSZ9021RL

Gigabit Ethernet Transceiver with RGMII Support

Micrel 

Micrel, Inc.

KSZ9021RL/RN

List of Figures

Figure 1. KSZ9021RL/RN Block Diagram............................................................................................................................ 22

Figure 2. KSZ9021RL/RN 1000Base-T Block Diagram – Single Channel .......................................................................... 24

Figure 3. Auto-Negotiation Flow Chart................................................................................................................................. 27

Figure 4. KSZ9021RL/RN RGMII Interface.......................................................................................................................... 29

Figure 5. RGMII v1.3 Specification (Figure 2 – Multiplexing and Timing Diagram)............................................................. 50

Figure 6. Auto-Negotiation Fast Link Pulse (FLP) Timing ................................................................................................... 51

Figure 7. MDC/MDIO Timing................................................................................................................................................ 52

Figure 8. Reset Timing......................................................................................................................................................... 53

Figure 9. Recommended Reset Circuit ................................................................................................................................ 53

Figure 10. Recommended Reset Circuit for Interfacing with CPU/FPGA Reset Output ..................................................... 54

Figure 11. Reference Circuits for LED Strapping Pins......................................................................................................... 54

Figure 12. 25MHz Crystal/Oscillator Reference Clock Connection ..................................................................................... 55

February 13, 2014

6

Revision 1.2

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