The "Ethernut" Ethernet starter kit is your best choice for hassle-free access to embedded Ethernet technology. The kit features a small and inexpensive Ethernet Module that allows you to easily add 10/100BaseT network capability to your applications. The hardware and the preloaded OS and TCP/IP stack are open source and may be used within non-commercial and commercial, open- and closed-source projects without fee or royalties. Version 3.0E is the first Ethernut board with an ARM7 CPU, which offers at least 10 times the performance of its predecessors. The on-board memory of 256 kByte RAM and 4 MByte FLASH are expandable via the MMC socket. Additional features are 100 MBit Ethernet, RS232 with full modem handshake, realtime clock with capacitor backup and a flexible power supply with two switching regulators. ARM7 Ethernet Starter Kit Features - AT91R40008 ARM7TDMI CPU running at 73.728 MHz
- 256 kByte RAM with 32-bit Data Path
- 4 MByte Flash Memory with four Boot Options
- 32 kByte Configuration EEPROM
- CPLD with 144 Macrocells
- Programmable Clock Generator
- Real-Time Clock with SuperCap Backup
- 10/100 MBit Ethernet Interface
- Unique MAC address
- RS232 Interface with Full Modem Handshake
- Multimedia/SD Card Socket
- FFC Connector for optional LCD/Keyboard Panel
- Ethernut 1/2 compatible Expansion Port (3.3V only)
- Switching Power Supply for 9-25V Input
Note: The Ethernut 3.0 kit includes a JTAG adapter for programming the AT91 CPU on the board. The adapter plugs into a DB9 PC serial port. Use of your own ARM JTAG device is possible, but you would have to build a custom cable as the Ethernut 3.0 board has a unique 10-pin JTAG interface.  Ethernut Software The well documented software is an Open-Source implementation of a Real Time Operating System called Nut/OS, and a TCP/IP protocol suite named Nut/Net. Several application examples are provided, including an embedded Webserver, a simple RS232-to-TCP/IP gateway, and an Internet Radio playing MP3 streams. Ethernut Application Development A well documented API and plenty of free program space and free data memory are available to implement custom applications easily. The source code is written almost entirely in C and included on CD-ROM. The software license allows its royalty-free use in Open- and Closed-Source Projects. ARM7 Ethernet Starter Kit Contents - Ethernut board version 3.0 Rev-D, preloaded with Nut/OS and Nut/Net TCP/IP stack
- JTAG programming adapter for connection to PC serial port
- RS232 serial cable
- Printed User Manual
- CD-ROM with complete source code and binaries, technical manuals and GNU tool chain for Windows and Linux
- IEEE registered individual MAC address
In addition you will need (not included): - Power Supply: 5-24V DC, 300mA
- RJ45 twisted pair Ethernet cable to connect the Ethernut board to your network
- Pentium class PC running Windows or Linux O/S
Download Ethernet 3 Board User's Manual with full schematics (PDF file; 1002kB)
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