> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of toftat@cowshed.us
> Sent: 26 July 2011 17:16
> To: piclist@mit.edu
> Subject: [PIC] MPLAB X, Hitech-C and configuration bits
>=20
> I am having an issue getting the configuration bits set properly in my
> current project...
>=20
> The project is based on the 18F2321 part, using the MPLAB-X IDE and
going
> to be written in Hitech C lite. I have defined my config bits in
main.c as
> follows:
>=20
> __CONFIG(1, INTCLKO & FCMDIS & IESODIS & PWRTDIS & BORDIS & BORV46);
> __CONFIG(2, WDTDIS & WDTPS32K & PBADDIS & LPT1DIS & MCLREN);
> __CONFIG(3, DEBUGDIS & XINSTEN & STVREN & LVPDIS);
>=20
> hoping to get the chip running on the internal oscillator with the
clock
> output, and most everything else disabled, unless I don't understand
it at
> which point I left it as default.
>=20
> I am seeing 2.5v DC on the OSC pins rather than the expected square
wave,
> and the pin toggle that is later in the program doesn't occur either.

The brownout and power on timer are located in config register 2; by
adding them to config register 1 you have corrupted the oscillator
setting.

Unless HiTech changed the way they defined stuff in the later version I
think the rest of your config settings are wrong as well!  Have a look
in the device datasheet under "Special Features of the CPU" to find out
which bits are located in which register.  The 18F2321 has 7 config
registers to set.

Regards

Mike

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