KSZ9031RNX Просмотр технического описания (PDF) - Micrel
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KSZ9031RNX Datasheet PDF : 82 Pages
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Micrel, Inc.
KSZ9031RNX
Loopback Mode..................................................................................................................................................................... 30
Local (Digital) Loopback ...................................................................................................................................................................... 30
Remote (Analog) Loopback ................................................................................................................................................................. 31
LinkMD® Cable Diagnostic .................................................................................................................................................... 32
NAND Tree Support .............................................................................................................................................................. 32
Power Management .............................................................................................................................................................. 33
Energy-Detect Power-Down Mode ...................................................................................................................................................... 33
Software Power-Down Mode ............................................................................................................................................................... 33
Chip Power-Down Mode...................................................................................................................................................................... 33
Energy Efficient Ethernet (EEE)............................................................................................................................................ 34
Transmit Direction Control (MAC-to-PHY) ........................................................................................................................................... 35
Receive Direction Control (PHY-to-MAC) ............................................................................................................................................ 36
Registers Associated with EEE ........................................................................................................................................................... 37
Wake-On-LAN ....................................................................................................................................................................... 38
Magic-Packet Detection....................................................................................................................................................................... 38
Customized-Packet Detection ............................................................................................................................................................. 38
Link Status Change Detection ............................................................................................................................................................. 39
Typical Current/Power Consumption .................................................................................................................................... 40
Register Map ......................................................................................................................................................................... 42
IEEE-Defined Registers....................................................................................................................................................................... 42
Vendor-Specific Registers ................................................................................................................................................................... 42
Standard Registers ............................................................................................................................................................... 44
MMD Registers...................................................................................................................................................................... 54
MMD Registers – Descriptions ............................................................................................................................................................ 55
Absolute Maximum Ratings .................................................................................................................................................. 65
Operating Ratings ................................................................................................................................................................. 65
Electrical Characteristics ....................................................................................................................................................... 65
Timing Diagrams ................................................................................................................................................................... 69
RGMII Timing ...................................................................................................................................................................................... 69
Auto-Negotiation Timing ...................................................................................................................................................................... 72
MDC/MDIO Timing .............................................................................................................................................................................. 73
Power-Up/Power-Down/Reset Timing ................................................................................................................................................. 74
Reset Circuit.......................................................................................................................................................................... 75
Reference Circuits – LED Strap-In Pins................................................................................................................................ 76
Reference Clock – Connection and Selection ...................................................................................................................... 77
On-chip LDO Controller – MOSFET Selection...................................................................................................................... 77
Magnetic – Connection and Selection .................................................................................................................................. 78
Package Information and Recommended Land Pattern ....................................................................................................... 80
May 14, 2015
5
Revision 2.2
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