I was just looking at the Kinetis KL03 ARM processor which has 16 pins and =
is 2mm by 1.61mm.
48MHz , as much as 32KB Flash   one version is $1.03 in 10K qty.
http://cache.freescale.com/files/32bit/doc/data_sheet/KL03P24M48SF0.pdf?psp=
ll=3D1

What is the physically smallest processor available from anyone ?

Gus in Denver
--=20
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