Searching \ for '12C508/9, 12CE518/519 tips & tricks?' in subject line. ()
Make payments with PayPal - it's fast, free and secure! Help us get a faster server
FAQ page: www.piclist.com/techref/index.htm?key=12c5089+12ce518519
Search entire site for: '12C508/9, 12CE518/519 tips & tricks?'.

Truncated match.
PICList Thread
'12C508/9, 12CE518/519 tips & tricks?'
1999\10\06@114026 by Mark Willis

flavicon
face
Anyone have a good web page with some good 12C508A or 509A hints?

Haven't used these yet, am starting a project.  Need the low cost <G>
16C622/JW's just aren't the same as these!  Will plan to use internal
oscillator, again for low cost.

Making a network of these with a push button apiece, and probably 1-wire
signalling between them (Push the push button, the appropriate ones
sound off through a Piezo disk (Differential drive), 9V power off the
RJ-11 cabling, I'm thinking, 78L05 at each chip, maybe?)  Should be a
fun little project.  They want some custom sounds, I'll code THOSE on a
16F84 or an XT or something, I think, & then move those to the /JW part.

Mainly looking for any "Gotchas", besides the Spec Sheets.  Any problems
in coding for the 12CE519/JW, then transferring some projects to a
12C508A, for example?  (It's a whole buck cheaper <G>)  Client wants 'em
CHEAP, and ubiquitous.

Due to the EEPRom, may just go with the 12CE519/JW parts, does look like
these're all reasonably similar (But then, I have -just- started to read
the Spec sheets in depth!)

 Mark

1999\10\06@115651 by Jack Shidemantle

flavicon
face
Mark, I have used the 12C509 in a product we produce and used the JW
version for debugging purposes. Also used the internal oscillator and bit
banged for a 9600 baud serial output (out only). The only thing I ran into
was a difference in oscillator speed between the JW and SMT parts (enough
to affect the serial out timing). Discovered this was due to a
manufacturing date series on the SMT parts, reported here on the piclist,.
Also use "ICSP" on these and everything seems to be working fine now. Did
not get into the "A" versions yet.
Don't know if this helps or not.




                   Mark Willis
                   <mwillis@FOXINT        To:     spam_OUTPICLISTTakeThisOuTspamMITVMA.MIT.EDU
                   ERNET.NET>             cc:
                   Sent by: pic           Subject:     12C508/9, 12CE518/519 ti
ps
                   microcontroller        & tricks?
                   discussion list
                   <PICLIST@MITVMA
                   .MIT.EDU>


                   10/06/99 11:39
                   AM
                   Please respond
                   to pic
                   microcontroller
                   discussion list






Anyone have a good web page with some good 12C508A or 509A hints?

Haven't used these yet, am starting a project.  Need the low cost <G>
16C622/JW's just aren't the same as these!  Will plan to use internal
oscillator, again for low cost.

Making a network of these with a push button apiece, and probably 1-wire
signalling between them (Push the push button, the appropriate ones
sound off through a Piezo disk (Differential drive), 9V power off the
RJ-11 cabling, I'm thinking, 78L05 at each chip, maybe?)  Should be a
fun little project.  They want some custom sounds, I'll code THOSE on a
16F84 or an XT or something, I think, & then move those to the /JW part.

Mainly looking for any "Gotchas", besides the Spec Sheets.  Any problems
in coding for the 12CE519/JW, then transferring some projects to a
12C508A, for example?  (It's a whole buck cheaper <G>)  Client wants 'em
CHEAP, and ubiquitous.

Due to the EEPRom, may just go with the 12CE519/JW parts, does look like
these're all reasonably similar (But then, I have -just- started to read
the Spec sheets in depth!)

 Mark

1999\10\06@122843 by Mark Willis

flavicon
face
ICSP is good info;  I may go for SMT on these, it'd be pretty simple &
would work.  I don't have an SMT to DIP adapter, I should go ICSP on
those!  I'm planning edge-triggered protocol, long experience has taught
me that timing isn't always dependable, so CRC's and edge triggering are
good habits to get into IMO <G>

 Mark

Jack Shidemantle wrote:
{Quote hidden}

tips
{Quote hidden}

1999\10\06@134841 by Jack Shidemantle

flavicon
face
We solder an 8 pin dip socket to the SMT pads on a few of the SMT boards so
I can plug in JW parts. This works fine for final debugging and other
developement. For the programmer I did buy an adapter for SMT parts.



                   Mark Willis
                   <mwillis@FOXINT        To:     PICLISTspamKILLspamMITVMA.MIT.EDU
                   ERNET.NET>             cc:
                   Sent by: pic           Subject:     Re: 12C508/9, 12CE518/51
9
                   microcontroller        tips & tricks?
                   discussion list
                   <PICLIST@MITVMA
                   .MIT.EDU>


                   10/06/99 12:28
                   PM
                   Please respond
                   to pic
                   microcontroller
                   discussion list






ICSP is good info;  I may go for SMT on these, it'd be pretty simple &
would work.  I don't have an SMT to DIP adapter, I should go ICSP on
those!  I'm planning edge-triggered protocol, long experience has taught
me that timing isn't always dependable, so CRC's and edge triggering are
good habits to get into IMO <G>

 Mark

Jack Shidemantle wrote:
>
> Mark, I have used the 12C509 in a product we produce and used the JW
> version for debugging purposes. Also used the internal oscillator and bit
> banged for a 9600 baud serial output (out only). The only thing I ran
into
> was a difference in oscillator speed between the JW and SMT parts (enough
> to affect the serial out timing). Discovered this was due to a
> manufacturing date series on the SMT parts, reported here on the
piclist,.
> Also use "ICSP" on these and everything seems to be working fine now. Did
> not get into the "A" versions yet.
> Don't know if this helps or not.
>
>                     Mark Willis
>                     <mwillis@FOXINT        To:     .....PICLISTKILLspamspam.....MITVMA.MIT.EDU
>                     ERNET.NET>             cc:
>                     Sent by: pic           Subject:     12C508/9,
12CE518/519 tips
{Quote hidden}

1999\10\06@135714 by Nick Taylor

picon face
Mark - -
  Just recently I've started using the 12CE519/JW part for all my
12C5xx development ... and haven't found any gotchas yet ... but I'm
a long way from being an expert.
- Nick-

Mark Willis wrote:
[snip]
> Due to the EEPRom, may just go with the 12CE519/JW parts, does look like
> these're all reasonably similar (But then, I have -just- started to read
> the Spec sheets in depth!)
>
>   Mark

1999\10\06@221810 by Richard Martin

picon face
I just got home to find my main phone shut off for some
reason. This business office is closed (of course). I can be reached
<until I get fixed whatever needs fixing> @ 425-391-1728
which is a second phone used by the kids here.

I couldn't resist though: With the Atmel, the family is consistent enough
that "we" develop on whatever is convenient and the get the smallest
cheapest chip to fit whatever we made....... <gloat,, gloat,,,etc.>

Mark Willis wrote:

{Quote hidden}

More... (looser matching)
- Last day of these posts
- In 1999 , 2000 only
- Today
- New search...