Related Manuals for Microchip Technology EVB-LAN7801
Summary of Contents for Microchip Technology EVB-LAN7801
- Page 1 EVB-LAN7801 Ethernet Development System User’s Guide 2021 Microchip Technology Inc. and its subsidiaries DS50003225A...
- Page 2 The Adaptec logo, Frequency on Demand, Silicon Storage Technology, Symmcom, and Trusted Time are registered trademarks of Microchip Technology Inc. in other countries. GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries.
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Page 3: Table Of Contents
Appendix A. EVB-LAN7801-EDS Evaluation Board A.1 Introduction ....................15 Appendix B. Schematics B.1 Introduction ....................17 Appendix C. Bill of Materials C.1 Introduction ....................23 Worldwide Sales and Service ..................28 2021 Microchip Technology Inc. and its subsidiaries DS50003225A-page 3... - Page 4 EVB-LAN7801 Ethernet Development System User’s Guide NOTES: DS50003225A-page 4 2021 Microchip Technology Inc. and its subsidiaries...
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Page 5: Preface
Customer Support • Document Revision History DOCUMENT LAYOUT This document features the EVB-LAN7801-EDS as a development tool for Microchip LAN7801 in its Ethernet development system. The manual layout is as follows: Chapter 1. “Overview” • – This chapter shows a brief description of the EVB-LAN7801-EDS. - Page 6 Choice of mutually exclusive errorlevel {0|1} character: { | } arguments; an OR selection Ellipses... Replaces repeated text var_name [, var_name...] Represents code supplied by void main (void) user { ... DS50003225A-page 6 2021 Microchip Technology Inc. and its subsidiaries...
- Page 7 MPLAB REAL ICE in-circuit emulator, MPLAB ICD 3 in-circuit debugger and MPLAB PM3 device programmers. Also included ® are non-production development programmers such as PICSTART Plus and PICkit™ 2 and 3. 2021 Microchip Technology Inc. and its subsidiaries DS50003225A-page 7...
- Page 8 Technical support is available through the web site at: http://www.microchip.com/support DOCUMENT REVISION HISTORY Revisions Section/Figure/Entry Correction DS50003225A Initial release (11-22-21) DS50003225A-page 8 2021 Microchip Technology Inc. and its subsidiaries...
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Page 9: Chapter 1. Overview
Chapter 1. Overview INTRODUCTION The EVB-LAN7801 Ethernet Development System is a USB Bridge-based platform for evaluating Ethernet switch and PHY products. Compatible switch and PHY evaluation boards connect to the EDS board via an RGMII connector. These daughter boards are available separately. -
Page 10: References
• MIIM – Media Independent Interface Management (also known as MDIO/MDC) • RGMII – Reduced Gigabit Media Independent Interface • I C – Inter Integrated Circuit • SPI – Serial Protocol Interface • PHY – Physical Transceiver DS50003225A-page 10 2021 Microchip Technology Inc. and its subsidiaries... -
Page 11: Chapter 2. Board Details And Configuration
25 MHz Reference Output The LAN7801 outputs a 25 MHz reference to the daughter board. To use this reference for a different off-board device, the RF connector at J8 can be populated. 2021 Microchip Technology Inc. and its subsidiaries DS50003225A-page 11... -
Page 12: Configuration
EVB-LAN7801 Ethernet Development System User’s Guide CONFIGURATION This section describes the different board features and configuration settings of the EVB-LAN7801 Ethernet Development System. A top view of the EVB-LAN7801-EDS is shown in Figure 2-1. FIGURE 2-1: EVB-LAN7801-EDS TOP VIEW WITH CALLOUTS 2.5.1... -
Page 13: Using The Evb-Lan7801-Eds
Note 1: Jumper settings between J6, J7, and J17 should always match. USING THE EVB-LAN7801-EDS The EVB-LAN7801-EDS evaluation board is connected to the PC through a USB ® ® cable. The LAN7801 device supports Windows and Linux operating system. - Page 14 EVB-LAN7801 Ethernet Development System User’s Guide FIGURE 2-2: EVB-LAN7801-EDS PORT NUMBERING The EVB-LAN7801-EDS can be used to evaluate the LAN7801 USB Ethernet Bridge alongside various other Microchip PHY and switch devices. For example, with the EVB-KSZ9131RNX evaluation board installed, the EVB can be tested as a simple bridge device by connecting the USB port to the PC and Network cable to the daughter board.
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Page 15: Appendix A. Evb-Lan7801-Eds Evaluation Board
EVB-LAN7801 ETHERNET DEVELOPMENT SYSTEM USER’S GUIDE Appendix A. EVB-LAN7801-EDS Evaluation Board INTRODUCTION This appendix shows the top view of the EVB-LAN7801-EDS evaluation board. FIGURE A-1: EVB-LAN7801-EDS EVALUATION BOARD 2021 Microchip Technology Inc. and its subsidiaries DS50003225A-page 15... - Page 16 EVB-LAN7801 Ethernet Development System User’s Guide NOTES: DS50003225A-page 16 2021 Microchip Technology Inc. and its subsidiaries...
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Page 17: Appendix B. Schematics
EVB-LAN7801 ETHERNET DEVELOPMENT SYSTEM USER’S GUIDE Appendix B. Schematics INTRODUCTION This appendix shows the EVB-LAN7801-EDS schematics. 2021 Microchip Technology Inc. and its subsidiaries DS50003225A-page 17... - Page 18 FIGURE B-1: EVB-LAN7801-EDS BLOCK DIAGRAM Revision History Table of Contents Sheet Description Revision Date Revision Summary Author Title Page & Block Diagram Initial Schematic 03-18-2020 Rahul Kommineni EVB-LAN7801-EDS LAN7801 Functional LAN7801 Power RGMII I/F Connector Power & Regulators GPIO VDDIO (VARIO)
- Page 19 FIGURE B-2: LAN7801 FUNCTIONAL 5V_BJ Self/Bus Pwr Sel Self 0.1uF VBUS VBUS Det Sel "VBus Detect" VDDIO Self GREEN 74LVC1G14GW,125 2.2uF 40.2k Place R2 Close to pin 61 VBUS_DET VBUS_DET 25MHZ_R PHY_INT_N PHY_INT_N REF_CLK25/GPIO11 25MHZ_REFCLK PHY_RESET_N PHY_RESET_N DUPLEX DUPLEX USBRBIAS USBRBIAS Place these 22ohm resistors as close to LAN7801 as possible.
- Page 20 FIGURE B-3: LAN7801 POWER VDD12LAN 0.1uF "1V2" VDD12 VDD12 GREEN 220R 74LVC1G14GW,125 VDDIO VDDVARIO VDDVARIO VDD12_SW_FB VDDVARIO 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF VDDVARIO VDDVARIO VDD12LAN VDD33_SW_IN VDD12CORE VDDVARIO 0.1uF 0.1uF VDDVARIO SW_OUT VDD12_SW_OUT 4.7uF 3.3uH VDD12CORE 22uF 0.1uF VDD12A VDD12LAN 0.1uF...
- Page 21 FIGURE B-4: RGMII/IF CONNECTOR RGMII Connector I/F VDDIO 2V5_RGMII 3V3_RGMII 5V_RGMII 12V_RGMII 2V5 3V3 12V_BJ RXD0 <RXD0) (VARIO) RGMII Pwr Sel RXD0 Available power to the RXD1 <RXD1) (2V5) RXD1 RGMII connector: RXD2 <RXD2) (3V3) 5V up to 2.5A RXD2 3.3V 1.5A RXD3...
- Page 22 FIGURE B-5: POWER AND REGULATORS 5V_BJ 12V / 2A - 4A TP17 On-board current < 0.1A MIC45205-1Y On<-->Off ANODE TP16 4A FB ANODE 12V (typ) 12V_EXT 12V_F 12V_BJ 5V / 6A PVDD 2.5 mm PVDD On-board current < 0.1A 5VDD VOUT 5VPG BARREL JACK...
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Page 23: Appendix C. Bill Of Materials
EVB-LAN7801 ETHERNET DEVELOPMENT SYSTEM USER’S GUIDE Appendix C. Bill of Materials INTRODUCTION This appendix contains the EVB-LAN7801-EDS evaluation board Bill of Materials (BOM). 2021 Microchip Technology Inc. and its subsidiaries DS50003225A-page 23... - Page 24 TABLE C-1: BILL OF MATERIALS Item Reference Description Populated Manufacturer Manufacturer Part Number CAP CER 0.1 μF 25V 10% X7R SMD 0603 Murata GRM188R71E104KA01D C2, C3, C5, C8, C9, C11, C12, C13, CAP CER 0.1 μF 50V 10% X7R SMD 0402 C1005X7R1H104K050BB C15, C17, C19, C22, C23, C24, C25, C26, C27, C28, C29, C30, C31, C47,...
- Page 25 TABLE C-1: BILL OF MATERIALS (CONTINUED) CON STRIP High Speed Stacker 6.36mm Female 2x50 SMD Samtec QSS-050-01-L-D-A-GP VERT CON JACK Power Barrel Black Male TH RA CUI Inc. PJ-002BH CON HDR-2.54 Male 2x3 Gold 5.84 MH TH VERT Samtec TSW-103-08-L-D INDUCTOR 3.3 μH 1.6A 20% SMD ME3220 Coilcraft ME3220-332MLB...
- Page 26 TABLE C-1: BILL OF MATERIALS (CONTINUED) SWITCH TACT SPST-NO 16V 0.05A PTS810 SMD ITT C&K PTS810SJM250SMTRLFS SWITCH SLIDE SPDT 120V 6A 1101M2S3CQE2 TH ITT C&K 1101M2S3CQE2 MISC, TEST POINT MULTI PURPOSE MINI BLACK Terminal 5001 MISC, TEST POINT MULTI PURPOSE MINI WHITE Keystone Electronics 5002 MCHP MEMORY SERIAL EEPROM 4k Microwire...
- Page 27 Bill of Materials NOTES: 2021 Microchip Technology Inc. and its subsidiaries DS50003225A-page 27...
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Page 28: Worldwide Sales And Service
Tel: 46-31-704-60-40 Tel: 631-435-6000 Sweden - Stockholm San Jose, CA Tel: 46-8-5090-4654 Tel: 408-735-9110 UK - Wokingham Tel: 408-436-4270 Tel: 44-118-921-5800 Canada - Toronto Fax: 44-118-921-5820 Tel: 905-695-1980 Fax: 905-695-2078 DS50003225A-page 28 2021 Microchip Technology Inc. and its subsidiaries 09/14/21...
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