Hello.As above says, I'm trying to program a STM32f405rg MCU with the discovery board STM32f407vg. I follow the process of taking off he jumpers of the ST-LINK and connecting in CN21 (VDD) ---> (3.3V) 2 (SWCLK) --->PA14 (SWCLK )3 (GND) ---> (GND) 4 (...