On 25/07/2011 13:07, Wouter van Ooijen wrote:
> 10F means 6-pin chip (the 8=3D-pin chip has 2 nc pins).
>
> The naming convention is very clear, but almost useless:
> 10F =3D 6 pins
> 12F =3D 8 pins
> 16F =3D>8 pins, 12 or 14 bit core
> 18F =3D 16 bit core
>
> There are no 16 bit core<=3D 8 pin chips yet, so I dunno whether a 6-pin
> 16-bit core chip would be a 10F or an 18F.
>

Of course "16 bit core" is misleading as it's still an 8bit cpu, AFAIK=20
16F =3D 14 bit wide flash and 18F 16 bit wide flash. The wider flash=20
memory of course allows some "nicer" instructions.

Logically there is no reason why there should not be 6, 8, 10, 12, 14,=20
16 pin etc 18Fs? Is the smallest 18 or 22 pins?

Wasn't there an abandoned 17F? Was it 14bit or 16bit Flash?

Some 16F are more like 18F than like "traditional" 16F84?


--=20
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