Currently have a STM32F103 running HSE + pll with a SysClk of 72 mhz.I want to use one of the upper flash memory blocks for storing application information - which means I need to erase and program the flash memory from my application (I do this all ...

If you are NOT using USB with the STMH745 - what is best practice - Connect both the 5 and 3.3 USB power pins to 3.3v or leave them unconnected?

I don't use the internal Step Down regulator. How should the pins be tied?Should VDDSMPS be tied to VDD and VSSSMPS to GND with VLXSMPS and VFBSMPS left open?OR - should they ALL be left open?Documentation only speaks as if they are to be used - no c...