Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32L0x2/Flash/ACR#0x0
Access control register
Latency
Prefetch enable
Flash mode during Sleep
Flash mode during Run
Disable Buffer
Pre-read data address
https://github.com/cmsis-svd/cmsis-svd-data