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STM32F407VGT6 programming and debugging

Question asked by Moamen Ayman on Jun 30, 2016
Latest reply on Aug 7, 2016 by Moamen Ayman
Hello, I have developed my code using IAR workbench, tried it on STM32F4 discovery board and it worked well. Now I want to download the code on STM32F407VGT6 chip I bought from directly without the develop board, I connected it with hardware as described by st documentations and used SWD for programming and debugging but I always get an error message (No MC device found). Could someone help me to find what can cause this error? 
Thanks in advance