[time-nuts] I want a good micro-controller

[Mark Sims]

Well,  I'm particularly fond of the MegaDonkey from mega-donkey.com  It does everything I want a microcontroller to do (it should,  I designed it).  Atmel ATMEGA2561,  256K flash,  8K RAM,  LCD 160x80 graphics touchscreen display,  two serial ports,  IIC ports,  A/D ports,  lots of I/O pins,  beeper,  prototyping area,  wonderful open-source software,  makes Julianne fries,  gives a fair backrub.  The softwware is in avr-gcc so you have a full blown C compiler.  There is also a version with a Mega128 chip (128K flash,4K RAM,  128x64 LCD,  mediocre backrubs) and one without the LCD.

The software has a software time-of-day clock with crystal freq calibration capability.  Has demo routines for digital and analog clock displays.  Internally it runs off a 10 KHz interrupt so you can get that level of resolution.  You could add a battery backed IIC clock chip (we have a couple of circuit boards floating around,  haven't written the software yet).  Also there is a 8 pin SOIC chip pad area in the prototyping area where a clock chip could be added).
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