PIC 16C5X Programmer

K

kl1k

Guest
Has anyone build David Taits PIC16C5X programmer.
(http://www.nexuscomputing.com/picarchive/upp.html)

On the schematic, whats PL3 and PL4 used for?
 
"kl1k" <kl1k@hotmail.com> wrote in message
news:ybqdnV2bZKyWftjcRVn-vg@is.co.za...
Has anyone build David Taits PIC16C5X programmer.
(http://www.nexuscomputing.com/picarchive/upp.html)

On the schematic, whats PL3 and PL4 used for?
Click to expand...
They are used for ISP (In System Programming) of PIC chips in a target
system.
A lead is connected from PL3 to a similar connector in the target system and
a PIC chip in the target system is programmed without having to remove it
and plug it in to the programmer.

--

Brian Gregory. (In the UK)
ng@bgdsv.co.uk
To email me remove the letter vee.
 
Thanks - I won't be needing it then :)

"Brian Gregory [UK]" <ng@bgdsv.co.uk> wrote in message
news:41461d74$0$20249$cc9e4d1f@news-text.dial.pipex.com...
"kl1k" <kl1k@hotmail.com> wrote in message
news:ybqdnV2bZKyWftjcRVn-vg@is.co.za...
Has anyone build David Taits PIC16C5X programmer.
(http://www.nexuscomputing.com/picarchive/upp.html)

On the schematic, whats PL3 and PL4 used for?


They are used for ISP (In System Programming) of PIC chips in a target
system.
A lead is connected from PL3 to a similar connector in the target system
and a PIC chip in the target system is programmed without having to remove
it and plug it in to the programmer.

--

Brian Gregory. (In the UK)
ng@bgdsv.co.uk
To email me remove the letter vee.
Click to expand...
 
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