World's Smallest Linux Microcontroller?

Posted 30 Apr 2006 at 22:03 UTC by steve Share This

Intec Automation is shipping a tiny new ColdFire-based single board computer (SBC) called the WildFireMod, according to a recent Linux Devices article. The board measures just 49mm x 44mm. Technically, this is slightly more surface area than the Gumstix (80mm x 20mm) but important I/O is built in, unlike the Gumstix which needs an expansion boards to add Ethernet, analog, and other commonly used I/O. So what's the WildFireMod got? A 64Mhz FreeScale (Motorola) ColdFire MCF5282, 512KB on-chip Flash, 64KB on-chip SRAM, 4MB Flash, 16MB SDRAM, SD socket for up to 1GB memory or WiFi, I2C, CAN bus, LCD/keypad connectors, 8 10bit 140KHz analog inputs, 16 I/O timers, 4 periodic interrupt timers, compare pins, 7 interrupt pins, 16 GPIO, 3 RS-232 level UARTs, 2 CMOS level RS-485 ports, 10/100 Ethernet, and a RTC with calendar. The WildFireMod is $189 but the downside is that you'll need to build or buy a carrier board. If you'd like similar capabilities in a slightly more managable size, try Inetc's Wildfire 5282, which is slightly larger but has standard headers.

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