CCS C Software and Maintenance Offers
FAQFAQ   FAQForum Help   FAQOfficial CCS Support   SearchSearch  RegisterRegister 

ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

CCS does not monitor this forum on a regular basis.

Please do not post bug reports on this forum. Send them to support@ccsinfo.com

Low Voltage Programming 16LF873?

 
Post new topic   Reply to topic    CCS Forum Index -> General CCS C Discussion
View previous topic :: View next topic  
Author Message
arrow
Guest







Low Voltage Programming 16LF873?
PostPosted: Thu Dec 09, 2004 1:47 pm     Reply with quote

Hi

Can someone please tell me if I can program the 16LF873
with a 3V power supply?
I am planning to do inline programming of the chip on the PCB.
and if yes, then please could you tell me what #FUSES to set?

Thank you
arrow
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

View user's profile Send private message

PostPosted: Thu Dec 09, 2004 5:54 pm     Reply with quote

What programmer are you using ?
arrow
Guest







PostPosted: Thu Dec 09, 2004 11:53 pm     Reply with quote

Hi

I am not using any programmer at the moment.
I am trying to find out if its possible to program the Microchip via the USB port, using circuitry (to be developed) running off a 3 or 3.3V regulator?

The idea is to build the PCB and then to plug it into the PC via the USB port and then program the PIC16LF873. The PDB will be run off a 3 (or 3.3V) power supply.

So is this possible?

Thank you
arrow
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

View user's profile Send private message

PostPosted: Fri Dec 10, 2004 1:14 am     Reply with quote

I think it could be done. The easiest way would be to use a
USB-to-RS232 converter chip, such as the FT232BM.
http://www.ftdichip.com/

Then program a RS232 bootloader into the PIC. This would
have to be done by some other method than by the USB/RS232
connection.

The PIC would appear to the PC as if it's connected to a COM port.
A RS232 bootloader could then download code to the PIC.
http://www.microchipc.com/PIC16bootload/

I haven't tried this, but it would probably work. There are
certainly other ways to do it.
Display posts from previous:   
Post new topic   Reply to topic    CCS Forum Index -> General CCS C Discussion All times are GMT - 6 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group