ksz8021rnli Micrel Semiconductor, ksz8021rnli Datasheet - Page 7

• Manufacturer Part Number: ksz8021rnli
• Description: 10base-t/100base-tx Phy With Rmii Support
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
KSZ8021RNL / KSZ8031RNL
List of Tables
Table 1. RMII Signal Description.......................................................................................................................................... 15
Table 2. RMII Signal Connection for RMII Back-to-Back Mode (100Base-TX Copper Repeater) ...................................... 18
Table 3. MII Management Frame Format – for KSZ8021/31RNL........................................................................................ 19
Table 4. MDI/MDI-X Pin Definition ....................................................................................................................................... 20
Table 5. NAND Tree Test Pin Order – for KSZ8021/31RNL ............................................................................................... 21
Table 6. KSZ8021/31RNL Power Pin Description ............................................................................................................... 23
Table 7. RMII Timing Parameters – KSZ8021/31RNL (25MHz input to XI pin, 50MHz output from REF_CLK pin)........... 35
Table 8. RMII Timing Parameters – KSZ8021/31RNL (50MHz input to XI pin)................................................................... 35
Table 9. Auto-Negotiation Fast Link Pulse (FLP) Timing Parameters ................................................................................. 36
Table 10. MDC/MDIO Timing Parameters ........................................................................................................................... 37
Table 11. Reset Timing Parameters .................................................................................................................................... 38
Table 12. Magnetics Selection Criteria ................................................................................................................................ 41
Table 13. Qualified Single Port 10/100 Magnetics............................................................................................................... 41
Table 14. 25MHz Crystal / Reference Clock Selection Criteria ........................................................................................... 42
Table 15. 50MHz Oscillator / Reference Clock Selection Criteria ....................................................................................... 42
August 2010
7
M9999-082710-1.0