Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32U5Fx/JPEG/JPEG_HUFFSYMB68#0x0
JPEG Huffman symbol
Data 272 Huffman symbol.
Data 273 Huffman symbol.
Data 274 Huffman symbol.
Data 275 Huffman symbol.
https://github.com/cmsis-svd/cmsis-svd-data