Ethernut 3 ARM 7 Ethernet Microcontoller Board

Ethernut 3.0 is an low-cost 32-bit microcontroller board with ARM 7 CPU, 100Mbps Ethernet, open source RTOS & TCP/IP stack and embedded web server. It is based on the Atmel AT91R40008 ARM 7 RISC microcontroller and the DM9000E 100 Mbit/s Ethernet controller.

Key Features

• AT91R40008 32-bit RISC microcontroller with up to 70 MIPS throughput.
• Full duplex IEEE 802.3 compliant 10/100 Mbps Ethernet controller with on-board RJ-45 connector.
• Two serial ports, one RS232 at DB-9 connector.
• 4 MByte Flash ROM and 256 kByte RAM for program code and data.
• 32 kByte EEPROM for configuration data storage.
• MultiMedia/SD-Card socket.
• 14 digital I/O lines from CPU available.
• 24 programmable digital I/O lines available at a CPLD.
• Realtime clock with EDLC backup.
• Programmable PLL for flexible system timing.
• Three 16-bit timers/counters.
• Watchdog timer for enhanced reliability.
• LED indicators for power supply and Ethernet activity.
• Single power supply DC 5-24V.
• Board size: 78 x 98 mm (3.1" x 3.9").

Block Diagram

Documentation

Manuals & Datasheets
Ethernut 3 Hardware Manual	Ethernut Version 3.0 Hardware User's Manual (Rev. 1.0)
Nut/OS Software Manual	Introduction to the Nut/OS operating system (November 2005)