Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/JPEG/JPEG_DHTMEM74#0x0
JPEG DHT memory
Huffman table data 296
Huffman table data 297
Huffman table data 298
Huffman table data 299
https://github.com/modm-io/cmsis-svd-stm32