KSZ9031MNX View Datasheet(PDF) - Micrel
Part Name
Description
Manufacturer
KSZ9031MNX Datasheet PDF : 77 Pages
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Micrel, Inc.
KSZ9031MNX
LED Mode ............................................................................................................................................................................. 27
Single-LED Mode ................................................................................................................................................................................ 27
Tri-color Dual-LED Mode ..................................................................................................................................................................... 28
Loopback Mode..................................................................................................................................................................... 28
Local (Digital) Loopback ...................................................................................................................................................................... 28
Remote (Analog) Loopback ................................................................................................................................................................. 29
LinkMD® Cable Diagnostic .................................................................................................................................................... 30
NAND Tree Support .............................................................................................................................................................. 30
Power Management .............................................................................................................................................................. 31
Energy-Detect Power-Down Mode ...................................................................................................................................................... 31
Software Power-Down Mode ............................................................................................................................................................... 31
Chip Power-Down Mode...................................................................................................................................................................... 31
Energy Efficient Ethernet (EEE)............................................................................................................................................ 32
Transmit Direction Control (MAC-to-PHY) ........................................................................................................................................... 32
Receive Direction Control (PHY-to-MAC) ............................................................................................................................................ 33
Registers Associated with EEE ........................................................................................................................................................... 34
Wake-On-LAN ....................................................................................................................................................................... 35
Magic-Packet Detection....................................................................................................................................................................... 35
Customized-Packet Detection ............................................................................................................................................................. 35
Link Status Change Detection ............................................................................................................................................................. 36
Typical Current/Power Consumption .................................................................................................................................... 37
Transceiver (3.3V), Digital I/Os (3.3V)................................................................................................................................................. 37
Transceiver (3.3V), Digital I/Os (1.8V)................................................................................................................................................. 37
Transceiver (2.5V), Digital I/Os (2.5V)................................................................................................................................................. 38
Transceiver (2.5V), Digital I/Os (1.8V)................................................................................................................................................. 38
Register Map ......................................................................................................................................................................... 39
Standard Registers ............................................................................................................................................................... 41
IEEE Defined Registers – Descriptions ............................................................................................................................................... 41
Vendor-Specific Registers – Descriptions ........................................................................................................................................... 48
MMD Registers...................................................................................................................................................................... 51
MMD Registers – Descriptions ............................................................................................................................................................ 52
Absolute Maximum Ratings(1)................................................................................................................................................ 60
Operating Ratings(2) .............................................................................................................................................................. 60
Electrical Characteristics(3) .................................................................................................................................................... 60
Timing Diagrams ................................................................................................................................................................... 63
GMII Transmit Timing .......................................................................................................................................................................... 63
GMII Receive Timing ........................................................................................................................................................................... 64
MII Transmit Timing............................................................................................................................................................................. 65
MII Receive Timing.............................................................................................................................................................................. 66
Auto-Negotiation Timing ...................................................................................................................................................................... 67
MDC/MDIO Timing .............................................................................................................................................................................. 68
Power-Up/Power-Down/Reset Timing ................................................................................................................................................. 69
Reset Circuit.......................................................................................................................................................................... 70
Reference Circuits – LED Strap-In Pins................................................................................................................................ 71
October 2012
5
M9999-103112-1.0
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