On Thu, 2 Sep 1999, [ISO-8859-1] Ruben Jönsson wrote:
> Hello,
>
> I have just read the (preliminary) data sheet for the
> new PIC18CXXX chip, which I find very impressive.
> If the price is right this will definitely be included
> in some of my future designs.
Exactly my feelings too.
{Quote hidden}>
> Now to my question - The chip has instructions for table
> read and table write of the program memory. Table read
> I understand (lookup tables, ROM checksum ...), but not
> the table write. Is it possible to write to the program
> memory during program execution? As I understand it, the
> chip is based on EPROM, which in a plastic package is OTP.
> If it would have been EEPROM or FLASH it would have been
> great (a lot of non volatile memory on chip).
>
> Is this for programming the chip or a feature which will
> be usable first when there is FLASH or EEPROM versions
> of it?
According to section 5.1.1, the section about the RCON register, the
TBLWRT is applicable when Vpp is applied to the /MCLR pin.
Now my turn.
How do you think this instruction will execute?:
movff postdec0,preinc0
Scott
drzyzgula.org until something bad happens
