Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/JPEG/JPEG_DHTMEM55#0x0
JPEG DHT memory
Huffman table data 220
Huffman table data 221
Huffman table data 222
Huffman table data 223
https://github.com/modm-io/cmsis-svd-stm32