Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/JPEG/JPEG_DHTMEM78#0x0
JPEG DHT memory
Huffman table data 312
Huffman table data 313
Huffman table data 314
Huffman table data 315
https://github.com/modm-io/cmsis-svd-stm32