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Atmega128 PortF problem or question

 
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earlwb

Bascom Member



Joined: 06 Sep 2004
Posts: 10
Location: Texas USA
PostPosted: Mon Sep 06, 2004 2:52 pm    Post subject: Atmega128 PortF problem or question Reply with quote
What do I ned to do to enable or set the Portf.4 5 6 and 7 I/O pins to toggle high and low?
I wrote up the below program and although pins 0 thru 3 toggle high and low, the 4 thru 7 pins don't. I am wondering what I did or didn't do.
I am using Bascom ver 1.11.7.4 at this time.
Thanks
'Bascom program:
$regfile = "m128def.dat"
$crystal = 14745600

Config Portf = Output
Portf = 0

Loop:
Portf = 0
Wait 1
Portf = 255
Wait 1
Goto Loop

End
'end program
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earlwb

Bascom Member



Joined: 06 Sep 2004
Posts: 10
Location: Texas USA
PostPosted: Mon Sep 06, 2004 6:38 pm    Post subject: I found the answer Reply with quote
Oops my mistake, I had forgotten that I needed to turn off the fuse setting for enabling the Jtag programming mode. Once I did disable the fuse setting, then the other four PortF I/O pins started working OK.
Thanks
Earl
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