LH75xxx

These chips have the usual smattering of I2C and SPI and so on, with the interesting addition of built-in LCD control logic.

• http://www.sharpsma.com/sma/products/MCUSoC.htm

known devices that use the LH754xx series are:

 * http://www.logicpd.com/eps/som/sharp/LH75401/ 
 * http://www.revely.com/RMS100/AboutRMS100.htm 
 * http://www.elinux.org/wiki/Pixter 

Sharp has signed a long term contract Fisher-Price as division of Mattel to provide processors for their next generation electronic toys starting with the Color Pixter which is based on the LH75411.

 * http://www.sharpsma.com/sma/pressroom/press.htm?newsid=84

with this in mind, that Mattel has a full line of inexpensive devices in the works, an attempt to get an open source OS running on this devices seems logical.