Re: Pic getting stuck with the same value

hack1y2k wrote:

>I wrote this jal program to read in a 128 bit ISO7816 phone card, the 
>program has 8 volatile variable to hold the bit, the reading is 
>triggered once a switch is pressed. Then all the bits are read and 
>send to the computer via RS-232. This worked perfectly. But after 
>some heavy testing with different cards the pic started to send the 
>same values all the time (even with different cards) so I changed the 
>cards to new ones and still the same problem. But after a power reset 
>there is a new value but the same behavior. I did not change the 
>code.
>
did you try to verify the PIC ?
maybe Low Voltage Programming was on, ...
Stef

> But this happened suddenly. What could be the problem?? How are 
>these variable stored in the pic? In the eeprom ? or the ram? Please 
>help.
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