Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Keil/AT32F435xx_v2/EDMA/S6FCTRL#0x0
stream 6 FIFO control register
FIFO threshold selection
FIFO mode enable
FIFO status
FIFO error interrupt enable
https://github.com/cmsis-svd/cmsis-svd-data