On the STM32F042G6U6 the USB DP and DM lines have to be MUXed onto pins 19 and 20 by way of the PA11_ PA12_ RMP bit in the SYSCFG_CFGR1 register.I would like to use the USB DFU mode of the device. So will the USB DFU work (i.e MUX the DP and DM lines...