Everyone's doing USB interface development systems these days.
BUT this one has the target PCB inside the USB "key" that contains the
system and an SPI interface to the included plug in

        http://www.ti.com:80/corp/docs/landing/ez430tool/index.htm?HQS=mcu_ez430f2013_070107&DCMP=mytinwsltr_20070107

For $US20 you get a development system, plug in target board so small
you could almost breathe it, 1 uA standby processor with versions with
a fast 10 bit ADC and another with 16 bit Sigma Delta converter. Also
IAR limited C free, assembler, simulator, linker, source level
debugger.

An additional 3 pack of target bords costs $US10.
Here:
Cute.
        http://www.ti-estore.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=eZ430-T2012

One target version has an 8 input 10 bit ADC.

Target bord order etc info

        http://focus.ti.com/docs/toolsw/folders/print/ez430-t2012.html


Target picture

        http://others.servebeer.com/misc/ez430_t2012.jpg




        Russell


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