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Digilent chipKIT Network Shield Reference Manual

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chipKIT™ Network Shield™ Reference Manual
Revised February 26, 2016
This manual applies to the chipKIT Network Shield rev. E
Overview
The chipKIT Network Shield is an input/output expansion board designed for use with the chipKIT Max32™
microcontroller board. It has circuitry and connectors that enable you to exploit the advanced communications
features of the PIC32MX795F512L microcontroller on the Max32.
The Network Shield has a 10/100 Mbps Ethernet PHY to enable connection to an Ethernet network. It provides the
connectors and load switch to use the USB 2.0 On-The-Go (OTG) controller to implement a USB device, USB host,
or OTG operation. It also has two CAN transceivers and connectors to allow connection to two independent CAN
networks. Connectors are provided to enable connection to two of the I
The chipKIT Network Shield board.
In addition to the communications features, the Network Shield also has a 256Kbit I
data storage and a 32.768 kHz oscillator for using the real-time clock/calendar (RTCC) peripheral in the PIC32
microcontroller.
The Network Shield has the same form factor as the Max32 board.
DOC#: 502-211
Other product and company names mentioned may be trademarks of their respective owners.
2
Features include:
An SMSC LAN8720 10/100 Ethernet PHY
An RJ45 connector with integral magnetics
A USB device and host connectors
Two MCP2551 CAN transceivers
Two 12-pin header connectors for CAN
2
Two I
A 256Kbit I
A 32.768 kHz oscillator
Copyright Digilent, Inc. All rights reserved.
Pullman, WA 99163
www.digilentinc.com
C busses supported by the Max32.
C daisy chain connectors
2
C EEPROM
2
C EEPROM for non-volatile
1300 Henley Court
509.334.6306
Page 1 of 10

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Summary of Contents for Digilent chipKIT Network Shield

  • Page 1 This manual applies to the chipKIT Network Shield rev. E Overview The chipKIT Network Shield is an input/output expansion board designed for use with the chipKIT Max32™ microcontroller board. It has circuitry and connectors that enable you to exploit the advanced communications features of the PIC32MX795F512L microcontroller on the Max32.
  • Page 2 Network Shield™ Reference Manual chipKIT Network Shield Hardware Overview The Network Shield has the following hardware features: 1. USB Connectors The connector on top of the board is a standard USB A-type receptacle. This is used when the Max32/Network Shield combination is used as a USB host. Immediately below this connector is a USB Micro-AB connector.
  • Page 3: Ethernet Interface

    3.3V power bus and ground. This can be used to extend the I C bus off the board and to power an external I C device. Digilent has cables and a selection of I C peripheral modules that can be accessed using this connector.
  • Page 4 Microchip network stack. When using the chipKIT Ethernet library for the Network Shield, this is done automatically by the library. Copyright Digilent, Inc. All rights reserved. Page 4 of 10 Other product and company names mentioned may be trademarks of their respective owners.
  • Page 5: Usb Interface

    Connector J2, on the bottom left side of the Network Shield, is the Device/OTG connector. It is a standard USB micro-AB connector. Connect a cable with a micro-A plug (available from Digilent) from this connector to a USB port on a PC or USB hub.
  • Page 6: Can Interface

    To select the use of the alternate interface pins, the following statement must appear in the main program module: #pragma config FCANIO=OFF Copyright Digilent, Inc. All rights reserved. Page 6 of 10 Other product and company names mentioned may be trademarks of their respective owners.
  • Page 7 J5 provides access to the signals for CAN2. Refer to the schematic for the Network Shield or the tables at the end of this document for information on the connectors and signals. A Digilent 6-pin or 2x6 to dual 6-pin cables can be used to daisy chain Digilent boards together in a CAN network.
  • Page 8: Khz Oscillator

    C #1 bus, and its 7-bit I C device address is '1010000'. Digilent has a library for using the EEPROM. It is contained in document # DSD-0000311 (chipKIT IOShield Library.zip) which can be downloaded from the Basic I/O Shield product page at www.digilentinc.com. The EEPROM library is IOShieldEEPROM.
  • Page 9 Network Shield™ Reference Manual Appendix A: chipKIT Network Shield Pinout Tables Pins Used by the Ethernet Interface chipKIT Pin # PIC32 Pin # Signal Notes J10-8 C1TX/ETXD0/PMD10/RF1 ETXD0 J10-9 C1RX/ETXD1/PMD11/RF0 ETXD1 J10-7 ETXEN/PMD14/CN15/RD6 ETXEN J10-6 RTCC/EMDIO/AEMDIO/IC1/RD8 EMDIO J10-5 EMDC/AEMDC/IC4/PMCS1/PMA14/RD11...
  • Page 10 I2C1 – also attached to EXT INT 4 J8-9, J6-1, J6-2 SCL2/RA2 I2C2 J8-11, J6-3 J6-4 SDA2/RA3 I2C2 Copyright Digilent, Inc. All rights reserved. Page 10 of 10 Other product and company names mentioned may be trademarks of their respective owners.
  • Page 11 Click to view similar products for category: Ethernet Development Tools Click to view products by manufacturer: Digilent Other Similar products are found below : KSZ8852HLEYA TDKEZW5-DEV XAUI-RISER-B DP83848H-MAU-EK ZENETSC0100ZACG XTIB-E EVB-LAN9218I-MINI KSZ8081MNX-EVAL KSZ8081RNB-EVAL KSZ8091RNB-EVAL KSZ8852HLE-EVAL KSZ8863FLL-EVAL KSZ8873MLL-EVAL 2971 TDKEZW3-DEV PD70201EVB47F KSZ8895MQX-EVAL PD70201EVB47 PD-IM-7648M PD-IM-7648T4 PD-IM-7604-4MH...