Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/JPEG/JPEG_DHTMEM62#0x0
JPEG DHT memory
Huffman table data 248
Huffman table data 249
Huffman table data 250
Huffman table data 251
https://github.com/modm-io/cmsis-svd-stm32