> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of Olin Lathrop
> Sent: 21 February 2011 14:12
> To: Microcontroller discussion list - Public.
> Subject: Re: [PIC] IC2 SSPADD value ?
>=20
> Carl Denk wrote:
> > I had looked diligently for a formula prior to posting here, and
found
> > none. If someone can find one, I would appreciate where it is. My
> > reference is "PIC18F2220/2320/4220/4320 Data Sheet", copywrite 2007.
>=20
> I just took a look to see what all the fuss is about.  I donwloaded
the
> latest datasheet a few minutes ago, which appears to be the same as
what
> you
> cited (2007, DS39599G).
>=20
> While section 17.4.7 "Baud Rate" on page 181 doesn't explicitly show a
> formula, it is nonetheless quite clear how the baud rate is generated
and
> therefore what SSPADD value is needed for a particular instruction
clock
> and
> desired baud rate value.
>=20
> Obviously:
>=20
>              InstructionClock
>   BaudRate =3D ----------------
>                 SSPADD + 1


Check out page 166 (SSPCON1 description) and page 168 (section 17.4.2
"Operation" ).  Both contain the formula.  Not the most obvious places
to put it, but a text search for "SSPADD" quickly finds them.

Regards

Mike

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

--=20
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