DP83620
SNLS339C –JANUARY 2011–REVISED APRIL 2013
www.ti.com
4.24 AC Specifications — Auto-Negotiation Fast Link
1
Introduction .............................................. 1
1.1 Features ............................................. 1
1.2 Applications .......................................... 1
1.3 Description ........................................... 1
Device Information ...................................... 4
2.1 System Diagram ..................................... 4
2.2 Block Diagram ....................................... 4
Pin Descriptions ......................................... 5
3.1 Pin Layout ........................................... 6
3.2 PACKAGE PIN ASSIGNMENTS .................... 7
3.3 SERIAL MANAGEMENT INTERFACE .............. 8
3.4 MAC DATA INTERFACE ............................ 8
3.5 CLOCK INTERFACE ................................ 9
3.6 LED INTERFACE .................................... 9
3.7 JTAG INTERFACE ................................. 10
3.8 RESET AND POWER DOWN ...................... 10
3.9 STRAP OPTIONS .................................. 10
3.10 10 Mb/s AND 100 Mb/s PMD INTERFACE ........ 12
3.11 RESERVED PINS .................................. 12
3.12 POWER SUPPLY PINS ............................ 12
Electrical Specifications ............................. 13
4.1 Absolute Maximum Ratings ........................ 13
4.2 Recommended Operating Conditions .............. 13
4.3 AC and DC Specifications .......................... 13
4.4 DC Specifications .................................. 14
4.5 AC Specifications — Power Up Timing ............ 15
4.6 AC Specifications — Reset Timing ................. 16
Pulse (FLP) Timing ................................. 23
4.25 AC Specifications — 100BASE-TX Signal Detect
Timing .............................................. 24
4.26 AC Specifications — 100 Mb/s Internal Loopback
Timing .............................................. 24
4.27 AC Specifications — 10 Mb/s Internal Loopback
Timing .............................................. 25
4.28 AC Specifications — RMII Transmit Timing (Slave
Mode) ............................................... 25
4.29 AC Specifications — Transmit Timing (Master
Mode) ............................................... 26
4.30 AC Specifications — RMII Receive Timing (Slave
Mode) ............................................... 27
4.31 AC Specifications — RMII Receive Timing (Master
Mode) ............................................... 28
4.32 AC Specifications — RX_CLK Timing (RMII Master
Mode) ............................................... 28
4.33 AC Specifications — CLK_OUT Timing (RMII Slave
Mode) ............................................... 29
4.34 AC Specifications — Single Clock MII (SCMII)
Transmit Timing .................................... 29
4.35 AC Specifications — Single Clock MII (SCMII)
Receive Timing ..................................... 30
4.36 AC Specifications — 100 Mb/s X1 to TX_CLK
Timing .............................................. 30
2
3
4
5
Configuration ........................................... 31
5.1 MEDIA CONFIGURATION ......................... 31
5.2 AUTO-NEGOTIATION .............................. 31
5.3 AUTO-MDIX ........................................ 34
5.4
AUTO-CROSSOVER IN FORCED MODE ......... 34
4.7
4.8
4.9
AC Specifications — MII Serial Management Timing
...................................................... 17
AC Specifications — 100 Mb/s MII Transmit Timing
...................................................... 17
5.5 PHY ADDRESS .................................... 34
5.6 LED INTERFACE ................................... 35
5.7 HALF DUPLEX vs. FULL DUPLEX ................ 37
5.8 INTERNAL LOOPBACK ............................ 38
5.9 POWER DOWN/INTERRUPT ...................... 38
5.10 ENERGY DETECT MODE ......................... 38
5.11 LINK DIAGNOSTIC CAPABILITIES ................ 39
5.12 BIST ................................................ 43
MAC Interface .......................................... 44
6.1 MII INTERFACE .................................... 44
6.2 REDUCED MII INTERFACE ....................... 45
6.3 SINGLE CLOCK MII MODE ........................ 46
AC Specifications — 100 Mb/s MII Receive Timing 17
4.10 AC Specifications — 100BASE-TX and 100BASE-
FX MII Transmit Packet Latency Timing ........... 18
4.11 AC Specifications — 100BASE-TX and 100BASE-
FX MII Transmit Packet Deassertion Timing ....... 18
4.12 AC Specifications — 100BASE-TX Transmit Timing
(tR/F & Jitter) ........................................ 19
4.13 AC Specifications — 100BASE-TX and 100BASE-
FX MII Receive Packet Latency Timing ............ 19
4.14 AC Specifications — 100BASE-TX and 100BASE-
FX MII Receive Packet Deassertion Timing ....... 20
6
6.4
IEEE 802.3u MII SERIAL MANAGEMENT
4.15 AC Specifications — 10 Mb/s MII Transmit Timing 20
INTERFACE ........................................ 47
4.16 AC Specifications — 10 Mb/s MII Receive Timing . 20
4.17 AC Specifications — 10BASE-T MII Transmit
Timing (Start of Packet) ............................ 21
4.18 AC Specifications — 10BASE-T MII Transmit
6.5 PHY CONTROL FRAMES ......................... 48
6.6 PHY STATUS FRAMES ............................ 49
Architecture ............................................. 50
7.1 100BASE-TX TRANSMITTER ...................... 50
7.2 100BASE-TX RECEIVER .......................... 53
7.3 100BASE-FX OPERATION ......................... 57
7.4 10BASE-T TRANSCEIVER MODULE .............. 58
Reset Operation ........................................ 61
8.1 HARDWARE RESET ............................... 61
8.2 FULL SOFTWARE RESET ......................... 61
8.3 SOFT RESET ...................................... 61
Design Guidelines ..................................... 62
7
Timing (End of Packet) ............................. 21
4.19 AC Specifications — 10BASE-T MII Receive Timing
(Start of Packet) .................................... 22
4.20 AC Specifications — 10BASE-T MII Receive Timing
(End of Packet) ..................................... 22
8
9
4.21 AC Specifications — 10 Mb/s Heartbeat Timing ... 22
4.22 AC Specifications — 10 Mb/s Jabber Timing ...... 23
4.23 AC Specifications — 10BASE-T Normal Link Pulse
Timing .............................................. 23
2
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