AnsweredAssumed Answered

My K20 chip does not work out

Question asked by 涛 宋 on May 19, 2016
Latest reply on May 25, 2016 by Kerry Zhou

hi,I use the K20, when I weld the board found that the chip is locked, according to the Internet after unlocking unlock K60, pin level can vary, but can not communicate, both bus 485 and can not work, I I would like to ask why this is