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PICList Thread
'[PIC]: PIC replacement'
2002\02\23@220847 by Duane B

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Hello everyone,

Whick was is it that replaces, so to speak, the 16F84(A)?  Was id the 16F628?

Thanks,

Duane

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2002\02\23@222605 by Ashley Roll

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Hi Duane,

Yep, that is it. or you could also use the 16F627 if you don't need as much
Flash ROM.

Just be aware that there are differences and you will probably have to alter
any '84 code a little to get it working on the '628.

The big ones are (may be others that I'm forgetting):

Look out for the Low Voltage programming mode as it makes RB4 unusable.

You will need to configure the analogue comparators before you can use port
A as they are on by default.

General purpose RAM starts at a different location, and some of the
registers and bits are moved around.

The config fuses are different.

Cheers,
Ash.

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Ashley Roll
Digital Nemesis Pty Ltd
http://www.digitalnemesis.com
Mobile: +61 (0)417 705 718




> -----Original Message-----
> From: pic microcontroller discussion list
> [spam_OUTPICLISTTakeThisOuTspamMITVMA.MIT.EDU]On Behalf Of Duane B
> Sent: Sunday, 24 February 2002 1:08 PM
> To: .....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU
> Subject: [PIC]: PIC replacement
>
> Whick was is it that replaces, so to speak, the 16F84(A)?
> Was id the 16F628?

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http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.


2002\02\23@223354 by Duane B

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Great!  Thanks for the info.  I haven't started writing the code yet, but
figured I'd start with the lastest and greatest!

Duane


----- Original Message -----
From: "Ashley Roll" <ashspamKILLspamDIGITALNEMESIS.COM>
To: <.....PICLISTKILLspamspam.....MITVMA.MIT.EDU>
Sent: Saturday, February 23, 2002 9:24 PM
Subject: Re: [PIC]: PIC replacement


> Hi Duane,
>
> Yep, that is it. or you could also use the 16F627 if you don't need as
much
> Flash ROM.
>
> Just be aware that there are differences and you will probably have to
alter
> any '84 code a little to get it working on the '628.
>
> The big ones are (may be others that I'm forgetting):
>
> Look out for the Low Voltage programming mode as it makes RB4 unusable.
>
> You will need to configure the analogue comparators before you can use
port
{Quote hidden}

> > {Original Message removed}

2002\02\24@002244 by Jinx

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Differences between F84 and F628

http://www.dontronics.com/cat_hard_micro_pic.html#628

I believe someone on the list has done a page too

===============================================

You might want to have a look at some other PIC-related
stuff at Don McKenzie's site

http://www.dontronics.com/piclinks.html

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