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PICList Thread
'Programming of 12C5xx'
1997\02\07@073643 by Wolfram Liebchen

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Hi,

my programmer (HiLo ALL-07) has - without hardware update - no
possibility to program a 12C5xx. But it supports all other types
of 16C5xx and 16Cxx. Can I hand-wire an adapter 18pin --> 8pin to
program a 12C5xx? What PIC type should I select to get the 12C5xx
programmed correctly?

I tried to compare the programming algorithms of 16C55x and 12C5xx
and they seem to be identical.

Does anybody have an idea to that?

-Wolfram


+-----------------------------------------------------+
| Wolfram Liebchen                                    |
| Forschungsinstitut fŸr Optik, TŸbingen, Deutschland |
| spam_OUTliebchenTakeThisOuTspamffo.fgan.de                         |
+-----------------------------------------------------+

1997\02\07@102012 by John Payson

picon face
> my programmer (HiLo ALL-07) has - without hardware update - no
> possibility to program a 12C5xx. But it supports all other types
> of 16C5xx and 16Cxx. Can I hand-wire an adapter 18pin --> 8pin to
> program a 12C5xx? What PIC type should I select to get the 12C5xx
> programmed correctly?
>
> I tried to compare the programming algorithms of 16C55x and 12C5xx
> and they seem to be identical.

The programming algorithms are similar but not identical.  The two biggest
areas of change:

[1] Top two bits of each 14 bit word read back as zero, even on a blank device.

[2] On power-up, PC is at $1FF instead of at $000.  BEWARE--This one gave me
   the hardest time before I figured it out...

1997\02\07@110017 by Antti Lukats

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At 01:35 PM 2/7/97 +0100, you wrote:
>Hi,
>
>my programmer (HiLo ALL-07) has - without hardware update - no
>possibility to program a 12C5xx. But it supports all other types
>of 16C5xx and 16Cxx. Can I hand-wire an adapter 18pin --> 8pin to
>program a 12C5xx? What PIC type should I select to get the 12C5xx
>programmed correctly?
>
>I tried to compare the programming algorithms of 16C55x and 12C5xx
>and they seem to be identical.
>
>Does anybody have an idea to that?

Our generic PIC programming software PIP02 is able to program 12C50x
on the Hi-Lo (Tribal) ALL and FLEX series programmers.

That is good news :)

Bad news is that the last public release of PIP02 does not do that :(
To be able to program 12C50x on generic PIC Programmers (like D. Tait,
AN589, TATO, etc) ver 1.17 is required that is current version available
for SiClub members
And for 12C50x and ALL-07 (or FLEX or ALL-03 or MOD-EMUP) version 1.18
is required. It will be uploaded to our site tonight.

WARNING!
An attempt to program 12C50x with old release of PIP02 and
UPT driver may damage your programmer!

UPT (Universal Programmer and Tester) Driver is very experimental,
and may not work for LPT connected programmers. We are testing it
with MOD-EMUP, functionally it is same as ALL-07 however the interface
is different. We have tested the UPT driver in ALL-07 mode with emulated
ALL-07 hardware, it seems to work, but hence no garantees.

At this time PIP02 ver 1.18 with UPT driver does program 12C50x
devices without adapters on MOD-EMUP Programmer.

And as what goes making an adapter for 12C50x to be used with hi-lo
software, it aint so simple.

Well if you make it and read like 16C558 then you are able to read
the device, with one word shifted data.
If you are able to make a 'word shifted' hexfile then it should be
possible to use 16C55x algorithms to program 12C50x devices.

For those are interested to have access to latest releases of PIP02
and to other software from Silicon Studio please contact some of
our distributors for conditions how to become SiClub member.

Other software offered free for members includes:

* BS/4 Editor and firmware: A 1/4th of stamp implemented in a single 16C84
(Interpreter, 64 bytes, COM port program download)
* BASCO a multi target Basic Compiler (PIC, AT89C2051, AVR, 68HC11,...)
* PICSI programs a 16C84 with stamp code (PIC programmer required)
* SIM2051 AT89C2051 simulator
* More to be announced.

Sorry folks if this was too long mail, I have been silent for long time :)

antti











-- Silicon Studio Ltd.
-- http://www.sistudio.com

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