Microchip LAN8830 Handleiding


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2022
Microchip Technology Inc. and its subsidiaries
DS50003441A
EVB-LAN8830
Evaluation Board
User’s Guide
DS50003441A
-page 2
2022
Microchip Technology Inc. and its subsidiaries
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© 2022, Microchip Technology Incorporated and its subsidiaries.
All Rights Reserved.
ISBN: 978-1-6683-1559-0
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EVB-LAN8830
EVALUATION BOARD
USER’S GUIDE
2022
Microchip Technology Inc.
DS50003441A
-page 3
Preface ........................................................................................................................... 5
Introduction............................................................................................................ 5
Document Layout .................................................................................................. 5
Conventions Used in this Guide ............................................................................ 6
Warranty Registration............................................................................................ 7
The Microchip Website.......................................................................................... 7
Development Systems Customer Change Notification Service ............................ 7
Customer Support ................................................................................................. 8
Document Revision History ................................................................................... 8
Chapter 1. Overview
1.1 Introduction ..................................................................................................... 9
1.2 References ..................................................................................................... 9
1.3 Block Diagram .............................................................................................. 10
Chapter 2. Getting Started
2.1 Introduction ................................................................................................... 11
2.2 Default Jumper Settings ............................................................................... 11
2.3 Power Source ............................................................................................... 11
2.3.1 EDS-Powered Operation ........................................................................... 11
2.3.2 External-Powered Operation ..................................................................... 11
2.4 Clock ............................................................................................................ 11
2.5 Reset Circuit ................................................................................................. 11
2.5.1 Power-On Reset—EDS Reset ................................................................... 11
2.5.2 Manual Reset ............................................................................................ 12
2.6 Using the EVB-LAN8830 .............................................................................. 12
2.6.1 With SAMA5D3-EDS ................................................................................. 12
2.6.2 With EVB-LAN7801-EDS and EVB-LAN7431-EDS .................................. 13
Chapter 3. Hardware Configuration
3.1 Hardware Configuration Options .................................................................. 15
3.2 PHY Port ...................................................................................................... 15
3.3 Test Points ................................................................................................... 16
3.4 Connectors ................................................................................................... 16
Appendix A. Schematics
A.1 Introduction .................................................................................................. 17
Appendix B. Bill of Materials
B.1 Introduction .................................................................................................. 21
Worldwide Sales and Service .................................................................................... 26
Table of Contents
EVB-LAN8830 Evaluation Board User’s Guide
DS50003441A-page 4
2022 Microchip Technology Inc. and its subsidiaries
NOTES:
EVB-LAN8830
EVALUATION BOARD
USER’S GUIDE
2022 Microchip Technology Inc.and its subsidiaries DS50003441A-page 5
Preface
INTRODUCTION
This chapter contains general information that will be useful to know before using the
Microchip EVB-LAN8830 Evaluation Board. Items discussed in this chapter include:
Document Layout
Conventions Used in this Guide
The Microchip Website
Development Systems Customer Change Notification Service
Customer Support
Document Revision History
DOCUMENT LAYOUT
This document describes how to use the EVB-LAN8830 as a development tool for the
LAN8830 Gigabit Ethernet Transceiver with RGMII. The manual layout is as follows:
Chapter 1. “Overview – This chapter provides a brief description of the
EVB-LAN8830 evaluation board.
Chapter 2. “Getting Started” – This chapter provides information about setup
and operation of the EVB-LAN8830.
Chapter 3. “Hardware Configuration” This chapter provides information about
setup of the EVB-LAN8830 hardware.
Appendix A. “Schematics” – This appendix shows the EVB-LAN8830 schemat-
ics.
Appendix B. “Bill of Materials” – This appendix includes the EVB-LAN8830 bill
of materials.
NOTICE TO CUSTOMERS
All documentation becomes dated, and this manual is no exception. Microchip tools and
documentation are constantly evolving to meet customer needs, so some actual dialogs
and/or tool descriptions may differ from those in this document. Please refer to our website
(www.microchip.com) to obtain the latest documentation available.
Documents are identified with a “DS” number. This number is located on the bottom of each
page, in front of the page number. The numbering convention for the DS number is
“DSXXXXXA”, where “XXXXX” is the document number and A” is the revision level of the
document.
For the most up-to-date information on development tools, see the MPLAB® IDE online help.
Select the Help menu, and then Topics to open a list of available online help files.
EVB-LAN8830 Evaluation Board User’s Guide
DS50003441A-page 6
2022 Microchip Technology Inc. and its subsidiaries
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENTATION CONVENTIONS
Description Represents Examples
Arial font:
Italic characters Referenced books MPLAB® IDE User’s Guide
Emphasized text ...is the only compiler...
Initial caps A window the Output window
A dialog the Settings dialog
A menu selection select Enable Programmer
Quotes A field name in a window or
dialog
“Save project before build”
Underlined, italic text with
right angle bracket
A menu path File>Save
Bold characters A dialog button Click OK
A tab Click the Power tab
N‘Rnnnn A number in verilog format,
where N is the total number of
digits, R is the radix and n is a
digit.
4‘b0010, 2‘hF1
Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>
Courier New font:
Plain Courier New Sample source code #define START
Filenames autoexec.bat
File paths c:\mcc18\h
Keywords _asm, _endasm, static
Command-line options -Opa+, -Opa-
Bit values 0, 1
Constants 0xFF, ‘A
Italic Courier New A variable argument file.o file, where can
be any valid filename
Square brackets [ ] Optional arguments mcc18 [options] file
[options]
Curly brackets and pipe
character: { | }
Choice of mutually exclusive
arguments; an OR selection
errorlevel {0|1}
Ellipses... Replaces repeated text var_name [,
var_name...]
Represents code supplied by
user
void main (void)
{ ...
}
EVB-LAN8830 Evaluation Board User’s Guide
DS50003441A-page 8
2022 Microchip Technology Inc. and its subsidiaries
CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
Distributor or Representative
Local Sales Office
Field Application Engineer (FAE)
Technical Support
Customers should contact their distributor, representative or field application engineer
(FAE) for support. Local sales offices are also available to help customers. A listing of
sales offices and locations is included in the back of this document.
Technical support is available through the website at:
http://www.microchip.com/support
DOCUMENT REVISION HISTORY
Revisions Section/Figure/Entry Correction
DS50003441A
(11-17-22)
Initial release
EVB-LAN8830
EVALUATION BOARD
USER’S GUIDE
2022 Microchip Technology Inc.and its subsidiaries DS50003441A-page 9
Chapter 1. Overview
1.1 INTRODUCTION
The EVB-LAN8830 evaluation board is a plug-in daughter card that interfaces directly
with a mating Microchip host processor or controller board, such as the SAMA5D3
Ethernet Development System (EDS) board, as well as a USB bridge board
(EVB-LAN7801-EDS) and a PCIe® bridge board (EVB-LAN7431-EDS). It features the
LAN8830, a highly integrated networking device that incorporates a
10/100/1000BASE-T physical layer transceiver (PHY). The board’s PHY port is con-
nected to an RJ45 Ethernet jack with integrated magnetics, and the PHY’s RGMII con-
nections are brought out to a high-speed (HS) multi-pin connector.
Together, the EVB-LAN8830 and the EDS base board provide a highly flexible platform
for evaluation of PHY features using their internal memory registers and the manage-
ment interface.
This document describes the EVB-LAN8830 setup and its user interface features.
A simplified block diagram of the board is shown in Figure 1-1.
1.2 REFERENCES
Concepts and materials available in the following documents may be helpful when
reading this document. Visit www.microchip.com for the latest documentation.
LAN8830 Data Sheet
EVB-LAN8830 Schematics
LAN8830 Hardware Design Checklist
SAMA5D3 Ethernet Development System Schematics
SAMA5D3 Ethernet Development System Board User’s Guide
EVB-LAN7801 Ethernet Development System Schematics
EVB-LAN7801 Ethernet Development System User’s Guide
EVB-LAN7431 Ethernet Development System Schematics
EVB-LAN7431 Ethernet Development System User’s Guide
MIC33153 Data Sheet
MIC5207 Data Sheet
EVB-LAN8830 Evaluation Board User’s Guide
DS50003441A-page 10
2022 Microchip Technology Inc. and its subsidiaries
1.3 BLOCK DIAGRAM
FIGURE 1-1: EVB-LAN8830 BLOCK DIAGRAM
1.1V/2.5V/3.3V
Regulators
Straps &
LEDs
10/100/1000
Magjack
LAN8830
EVB-LAN8830
EVALUATION BOARD
USER’S GUIDE
2022 Microchip Technology Inc.and its subsidiaries DS50003441A-page 11
Chapter 2. Getting Started
2.1 INTRODUCTION
The EVB-LAN8830 evaluation board is designed as a plug-in card to interface directly
with a mating Microchip host processor or controller board, such as the
SAMA5D3-EDS board, that supplies full power and provides full register access and
configuration via MDIO/MDC bus management.
2.2 DEFAULT JUMPER SETTINGS
The EVB-LAN8830 ships with the necessary jumpers installed for basic opera-
tion.These are:
J1: Shunt installed between pins [2-3]
J2: Shunt installed between pins [2-3]
J4: Shunt installed between pins [1-2]
See Figure 3-1 for an image of these default shunt installations.
See Section 3.4 “Connectors” for a full list of connector/header descriptions and direc-
tions for use.
2.3 POWER SOURCE
The EVB-LAN8830 can be completely bus-powered from its mating Microchip host pro-
cessor or control board. Alternatively, the EVB-LAN8830 can be powered with an exter-
nal 3.3V supply.
Refer to Figure 3-1 and the board schematics in Figure A-2 for details.
2.3.1 EDS-Powered Operation
For EDS-powered operation, J1 needs a jumper on the pins [2-3], and J2 needs a
jumper on the VDDIO pins [2-3] as shown in Figure 3-1.
2.3.2 External-Powered Operation
For external-powered operation, J1 needs a jumper on pins [1-2], while J2 needs a
jumper on either 2.5V pins [1-2] or VDDIO pins [2-3]. An external 3.3V power source
should be connected to TP1.
2.4 CLOCK
The EVB-LAN8830 utilizes a 25 MHz crystal to generate input reference clock for the
LAN8830 device. Refer to Figure A-3 for details.
2.5 RESET CIRCUIT
2.5.1 Power-On Reset—EDS Reset
The SAMA5D3-EDS can provide the LAN8830 Reset when a jumper is placed on
EVB-LAN8830, J4 pins [1-2] (EDS Reset).
Getting Started
2022 Microchip Technology Inc.and its subsidiaries DS50003441A-page 13
2.6.2 With EVB-LAN7801-EDS and EVB-LAN7431-EDS
To work with EVB-LAN7801-EDS and EVB-LAN7431-EDS with the EVB-LAN8830, a
specific EEPROM image for LAN7801/LAN7431 should be programmed onto the EVB
baseboard. This is necessary to ensure that RGMII TXC and RXC delays settings are
appropriately configured, and the 125 MHz clock source is enabled internal to the
LAN7801/LAN7431.
A readme file that describes the detailed configuration and the binary files used to pro-
gram the EEPROM on the bridge boards are available on the EVB-LAN8830 evaluation
board product page.
EVB-LAN8830 Evaluation Board User’s Guide
DS50003441A-page 14
2022 Microchip Technology Inc. and its subsidiaries
NOTES:
EVB-LAN8830
EVALUATION BOARD
USER’S GUIDE
2022 Microchip Technology Inc.and its subsidiaries DS50003441A-page 15
Chapter 3. Hardware Configuration
3.1 HARDWARE CONFIGURATION OPTIONS
Figure 3-1 shows the top view of the EVB-LAN8830.
FIGURE 3-1: EVB-LAN8830 TOP VIEW WITH CALLOUTS
3.2 PHY PORT
PHY port (J3) supports 10BASE-T/100BASE-TX/1000BASE-T with both auto-negotia-
tion enabled and Auto-MDI/MDI-X enabled as the power-up defaults.
Microchip LAN8830
Gigabit Ethernet PHY
MDIO/MDC
Management
Reset
Select
VDDIO
Select
3.3V Source
Select
External 3.3V Input
(If Necessary)
Microchip MIC5207
LDO Regulator
PHY Port
10/100/1000
Magnetic
Jack
Power Domain
Test Points
Microchip
MIC33153
Buck Regulator
1.8V/2.5V
VDDIO
Select
Reset


Product specificaties

Merk: Microchip
Categorie: Niet gecategoriseerd
Model: LAN8830

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