Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Keil/AT32F415xx_v2/IOMUX/REMAP7#0x0
IO MUX remap register 7
ADC1 external trigger preempted conversion muxing
ADC1 external trigger ordinary conversion muxing
Serial wire JTAG muxing
PortD0/PortD1 muxing on OSC_IN/OSC_OUT
https://github.com/cmsis-svd/cmsis-svd-data