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PICList Thread
'16F84 and 16C84'
1997\02\03@135959 by chris parker

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       I am a new PIC programmer, and I have a PICstart 16B1 programmer.  I
have been using a C84,  and the book that I have been using (Easy PIC 'n')
says that the F84 and the C84 are effectively identical.  I know that the
F84 has FLASH EEPROM.  SO here is my question.  Will the F84 be programmed
by a board that can program the C84 (specifically the microchip PICstart 16B1
                                       -Christopher Parker
                                       E.R.T.W.

1997\02\03@140616 by Byron A Jeff

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>
>         I am a new PIC programmer, and I have a PICstart 16B1 programmer.  I
> have been using a C84,  and the book that I have been using (Easy PIC 'n')
> says that the F84 and the C84 are effectively identical.  I know that the
> F84 has FLASH EEPROM.  SO here is my question.  Will the F84 be programmed
> by a board that can program the C84 (specifically the microchip PICstart 16B1

As the book says, they are essentially identical. The Flash is simply a
change in marketing terminology. It's still the same EEPROM based chip as
the 16C84.

What really changed were a couple of bits in the configuration mask. Read
the data sheets for the two very carefully to see how they changed.

BAJ

1997\02\03@154344 by Don McKenzie

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chris parker wrote:
>
>         I am a new PIC programmer, and I have a PICstart 16B1 programmer.  I
> have been using a C84,  and the book that I have been using (Easy PIC 'n')
> says that the F84 and the C84 are effectively identical.  I know that the
> F84 has FLASH EEPROM.  SO here is my question.  Will the F84 be programmed
> by a board that can program the C84 (specifically the microchip PICstart 16B1
>                                         -Christopher Parker
>                                         E.R.T.W.

I know Jim Robertson has answered this question before, so I am quoting
a previous recent answer that he has posted to the list.

Jim is currently not on the list due to E-mail problems, however he is
able to update information on his home page at:
http://www.labyrinth.net.au/~newfound

|16C84. All the spare config word bits in the 16F84 are used for code
|protection. The effect of code protecting a 16F84 is different from a
|16C84.
|
|(If you want to know the esoterica of it all download the programming
specs
|form the microchip web page but it usually is of little interest  to
the
|"man in the street.")
|
|Programming wise, you can program the 16F84 as a 16C84. Remember to
reverse
|the code protect bit and don't expect code protection to be the same.
|
|Jim

Don McKenzie spam_OUTdonmckTakeThisOuTspamlabyrinth.net.au
DonTronics Tullamarine, Australia
http://www.labyrinth.net.au/~donmck

SLI, the serial LCD that auto detects baud rates from 100 to 125K bps.
SimmStick(tm) A PIC proto PCB the size of a 30 pin Simm Memory Module.
Covers all versions of the PIC16cxx family plus the Atmel AT89C2051.

1997\02\03@173940 by TONY NIXON 54964

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picon face
>        I am a new PIC programmer, and I have a PICstart 16B1 programmer.  I
>have been using a C84,  and the book that I have been using (Easy PIC 'n')
>says that the F84 and the C84 are effectively identical.  I know that the
>F84 has FLASH EEPROM.  SO here is my question.  Will the F84 be programmed
>by a board that can program the C84 (specifically the microchip PICstart 16B1
>                                       -Christopher Parker
>                                        E.R.T.W.

I had a lot of problems with the 16B1 programmer when trying to
program the '84's. Sometimes it would program them and sometimes it
wouldn't. I think the problem is with the on board power supply being
on marginally sufficient for programming these devices.

Tony


Just when I thought I knew it all,
I learned that I didn't.

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