Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/JPEG/JPEG_DHTMEM100#0x0
JPEG DHT memory
Huffman table data 400
Huffman table data 401
Huffman table data 402
Huffman table data 403
https://github.com/modm-io/cmsis-svd-stm32