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MC56F84789 cannot run without OSJTAG

Question asked by Ningchao Yang on Apr 13, 2016
Latest reply on Apr 21, 2016 by Fiona Kuang

when i use MC56F84789,  i program code of DAC output, and waveform is sine. if i debug the program through OSJTAG, the program runs well. but when I power down the chip and then power up, the DAC of DSC cannot output right wave.


I try other form of wave,  like sawtooth wave, code runs well with OSJTAG or without it. i dont know why the code of sine-wave-output cannot run without OSJTAG.