DP83848C PHYTER Comm Temp Single Port ... - Texas Instruments

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8.2.11 10 Mb/s MII Transmit Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 718.2.12 10 Mb/s MII Receive Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 718.2.13 10 Mb/s Serial Mode Transmit Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 728.2.14 10 Mb/s Serial Mode Receive Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 728.2.15 10BASE-T Transmit Timing (Start of Packet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 738.2.16 10BASE-T Transmit Timing (End of Packet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 738.2.17 10BASE-T Receive Timing (Start of Packet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 748.2.18 10BASE-T Receive Timing (End of Packet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 748.2.19 10 Mb/s Heartbeat Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 758.2.20 10 Mb/s Jabber Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 758.2.21 10BASE-T Normal Link Pulse Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 768.2.22 Auto-Negotiation Fast Link Pulse (FLP) Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 768.2.23 100BASE-TX Signal Detect Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 778.2.24 100 Mb/s Internal Loopback Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 778.2.25 10 Mb/s Internal Loopback Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 788.2.26 RMII Transmit Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 798.2.27 RMII Receive Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 808.2.28 Isolation Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 818.2.29 25 MHz_OUT Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 818.2.30 100 Mb/s X1 to TX_CLK Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 829.0 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84DP83848C5 www.national.com
DP83848CList of FiguresFigure 1. DP83848C Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Figure 2. PHYAD Strapping Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Figure 3. AN Strapping and LED Loading Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Figure 4. Typical MDC/MDIO Read Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Figure 5. Typical MDC/MDIO Write Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Figure 6. 100BASE-TX Transmit Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Figure 7. 100BASE-TX Receive Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Figure 8. EIA/TIA Attenuation vs. Frequency for 0, 50, 100, 130 & 150 meters of CAT 5 cable . . . . . . . . . . . 28Figure 9. 100BASE-TX BLW Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Figure 10. 10BASE-T Twisted Pair Smart Squelch Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Figure 11. 10/100 Mb/s Twisted Pair Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Figure 12. Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Figure 13. Power Feeback Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35www.national.com 6
Page 5: DP83848C4.3 10BASE-T TRANSCEIVER MO
Page 11 and 12: DP83848CSignal Name Type Pin # Desc
Page 13 and 14: DP83848C1.5 Reset and Power DownSig
Page 15 and 16: DP83848C1.7 10 Mb/s and 100 Mb/s PM
Page 17 and 18: DP83848C2.0 ConfigurationThis secti
Page 19 and 20: DP83848C2.3 PHY AddressThe 5 PHY ad
Page 21 and 22: DP83848C2.4.2 LED Direct ControlThe
Page 23 and 24: DP83848CTo tolerate potential frequ
Page 25 and 26: DP83848C4.0 ArchitectureThis sectio
Page 27 and 28: DP83848C4.1.1 Code-group Encoding a
Page 29 and 30: DP83848C4.2.2.1 Digital Adaptive Eq
Page 31 and 32: DP83848C4.2.7 DescramblerA serial d
Page 33 and 34: DP83848C4.3.6 Jabber FunctionThe ja
Page 35 and 36: DP83848C5.2 ESD ProtectionTypically
Page 37 and 38: DP83848C5.5.2 Interrupt MechanismsT
Page 39 and 40: DP83848C7.0 Register BlockTable 10.
Page 41 and 42: 40 www.national.comDP83848CTable 11
Page 43 and 44: DP83848C7.1.1 Basic Mode Control Re
Page 45 and 46: DP83848C7.1.2 Basic Mode Status Reg
Page 47 and 48: DP83848CTable 16. Negotiation Adver
Page 49 and 50: DP83848C7.1.7 Auto-Negotiation Link
Page 51 and 52: DP83848C7.2 Extended Registers7.2.1
Page 53 and 54: DP83848C7.2.2 MII Interrupt Control
Page 55 and 56: DP83848C7.2.4 False Carrier Sense C
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DP83848C7.2.7 RMII and Bypass Regis
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DP83848CTable 29. PHY Control Regis
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DP83848C7.2.11 CD Test and BIST Ext
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DP83848C8.0 Electrical Specificatio
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DP83848C8.2 AC Specs8.2.1 Power Up
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DP83848C8.2.3 MII Serial Management
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DP83848C8.2.7 100BASE-TX Transmit P
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DP83848C8.2.9 100BASE-TX Receive Pa
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DP83848C8.2.13 10 Mb/s Serial Mode
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DP83848C8.2.17 10BASE-T Receive Tim
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DP83848C8.2.21 10BASE-T Normal Link
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DP83848C8.2.25 10 Mb/s Internal Loo
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DP83848C8.2.27 RMII Receive TimingP
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DP83848C8.2.30 100 Mb/s X1 to TX_CL
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DP83848C PHYTER ® — Commercial T
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