82574L データシートの表示（PDF） - Intel
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82574L Datasheet PDF : 472 Pages
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Datasheet—82574 GbE Controller
10.2
Configuration and Status Registers - CSR Space .................................................. 276
10.2.1 Register Summary Table ....................................................................... 276
10.2.2 General Register Descriptions ................................................................ 283
10.2.3 PCIe Register Descriptions..................................................................... 302
10.2.4 Interrupt Register Descriptions............................................................... 310
10.2.5 Receive Register Descriptions ................................................................ 317
10.2.6 Transmit Register Descriptions ............................................................... 334
10.2.7 Statistic Register Descriptions ................................................................ 342
10.2.8 Management Register Descriptions ......................................................... 357
10.2.9 Time Sync Register Descriptions............................................................. 367
10.2.10MSI-X Register Descriptions................................................................... 370
10.2.11PHY Registers ...................................................................................... 372
10.2.12Diagnostic Register Descriptions............................................................. 401
11.0 Diagnostics............................................................................................................ 406
11.1 Introduction ................................................................................................... 406
11.2 FIFO Pointer Accessibility.................................................................................. 406
11.3 FIFO Data Accessibility..................................................................................... 406
11.4 Loopback Operations ....................................................................................... 407
12.0 Electrical Specifications ......................................................................................... 408
12.1 Introduction ................................................................................................... 408
12.2 Voltage Regulator Power Supply Specification ..................................................... 408
12.2.1 3.3 V dc Rail ........................................................................................ 408
12.2.2 1.9 V dc Rail ....................................................................................... 408
12.2.3 1.05 V dc Rail ...................................................................................... 409
12.2.4 PNP Specifications ............................................................................... 409
12.3 Power Sequencing ........................................................................................... 410
12.4 Power-On Reset .............................................................................................. 410
12.5 Power Scheme Solutions .................................................................................. 411
12.6 Discrete/Integrated Magnetics Specifications....................................................... 414
12.7 Oscillator/Crystal Specifications......................................................................... 415
12.8 I/O DC Parameters .......................................................................................... 416
12.8.1 Test, JTAG and NC-SI ........................................................................... 417
12.8.2 LEDs .................................................................................................. 417
12.8.3 SMBus ................................................................................................ 418
13.0 Design Considerations ........................................................................................... 420
13.1 PCIe .............................................................................................................. 420
13.1.1 Port Connection to the 82574................................................................. 420
13.1.2 PCIe Reference Clock ............................................................................ 420
13.1.3 Other PCIe Signals ............................................................................... 420
13.1.4 PCIe Routing ....................................................................................... 421
13.2 Clock Source .................................................................................................. 421
13.2.1 Frequency Control Device Design Considerations ...................................... 421
13.2.2 Frequency Control Component Types ...................................................... 421
13.3 Crystal Support............................................................................................... 423
13.3.1 Crystal Selection Parameters ................................................................. 423
13.3.2 Crystal Placement and Layout Recommendations...................................... 426
13.4 Oscillator Support............................................................................................ 427
13.4.1 Oscillator Placement and Layout Recommendations................................... 428
13.5 Ethernet Interface ........................................................................................... 429
13.5.1 Magnetics for 1000 BASE-T.................................................................... 429
13.5.2 Magnetics Module Qualification Steps ...................................................... 429
13.5.3 Third-Party Magnetics Manufacturers ...................................................... 429
13.5.4 Designing the 82574 as a 10/100 Mb/s Only Device .................................. 430
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