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RISC Computer on module

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article image Energy-saving RISC module.

KONTRON has released the E²Brain EB405a RISC processor-based computer-on-module (COM) with a 266MHz IBM PowerPC 405EP processor. The energy-saving RISC module is suitable for embedded systems in the real time domain, with minimum power consumption and passive cooling.

It is an add-on component for customised embedded systems. Standardised modules allow the user to focus on the design of the equipment without having to undertake the complex development of a processor core. In commercial applications, the low-power (1W at 200MHz) 405EP processor is used for routers, modems, access points and comparable high-volume network applications.

For interfaces it provides two fast Ethernet ports as well as two or four serial ports, each of which is designed to function as Rx/Tx Terminal or UART interfaces. Individual expansions are easily done with the 32-bit, 33/66 PCI bus, the LPC I/O bus and the I²C-bus. All these interfaces are connected to the baseboard with four standard SMD connectors.

The module is provided with 16MB or 64MB of directly-soldered SDRAM, measuring 75mm x 115mm. Additional features include 4MB or 8MB Flash, E²Prom for user and configuration data and an interface for Compact Flash cards. The physical slot for the Compact Flash memory media is placed on the baseboard. Debugging and onboard programming are accomplished via the implemented JTAG/BDM interface.

The module is designed for a single-source 3.3V supply. The standard version of the E²Brain EB405 is intended for use at temperatures ranging from 0°C to 70°C. An optional version with an extended operating temperature range from -40°C to 85°C is also available. Watchdog and real-time clock round out the feature set. Software support is provided by an OS-independent boot loader with network support as well as a Linux and VxWorks board support package.

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