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I've been using the Melabs loader with a 16LF877 for several years now without a glitch.
Now I have replaced this PIC by a 16LF877A. I've generated a new bootloader file.
But when I try to load the...

Excellent, will try that.
I'm convinced it'll work.
thanks

Hi,

I thought about that. I removed the hardware serial defines at the start of the program, and the problem remains.
Or is there another way to disable HW serial?
Btw I tried the same with a...

Melanie,

I followed your register tutorial and ran into the following snag:

I use HSEROUT on port C6 (the hardware Tx pin) and all works fine.
However when I issue a SEROUT2 command on that...

"EDIT: Just looked at your other posts... Get a new chip... "

Are you saying this PIC means trouble?? Should I find a 'safer' alternative? Any suggestions are welcome!!

I checked for shorts,...

I have taken up the project of converting a 16LF877 project to a 18LF4680
Programming the bootloader works, as does bootloading the program.
For some strange reason the PIC heats up like crazy when...

The following lines solved the (first) problem:

CMCON7=0
ECCP1CON=%00000000
TRISE.4=0
TRISD=%0001111

Amazing that a simple "INPUT PORTD.2" doesn't do it.

I will study the datasheet on the...

Hi,

just ported a program from 16F877 to this PIC. And Port D refuses to act as an input.
I tried the following program snippet:

ECCP1CON=%00000000
TRISE.4=0
TRISD=%0001111

IF PORTD.2=1...