Posted on April 01, 2005 at 12:55This is probably a latch-up. You are pulling a port pin below Gnd or above Vcc with a higher current. If you do not limit the supply current during this state you destroy your uC. Have a look on the maximum ratings i...
Posted on February 28, 2005 at 13:34The ADC (End of Conversion) and the Timer (Overflow) share one and the same interrupt. Both events branch to the same address. You need to decide by software polling TMZ and EOC what has happend. Or you use anothe...
Posted on November 08, 2004 at 11:11Worst case your resonator will not start to oscillate unter certain conditions. Usually one of the component suppliers have to qualify that both components work together under all environmental conditions and tole...
Posted on May 11, 2004 at 13:54In case the Programmer works properly and the device is neither defective nor disconnected check the protection bit. Find the following text in the specification: 1.3.2.1 Program Memory Protection The Program Memory in...
