Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32n6/STM32N645/JPEG/JPEG_HUFFENC_AC0_57#0x0
JPEG Huffman encoder AC0
Huffman code 114
Huffman length 114
Huffman code 115
Huffman length 115
https://github.com/modm-io/cmsis-svd-stm32