High potential for new favourite MCU
If you know the nRF54L15 already, its all of that + High Speed USB, 2MB RRAM (NVM), 512K SRAM.
If not:128 Mhz ARM M33, a 128MHz RISC-V co-processor that can do software defined peripherals (written in (C) code) and the usual excellent BLE and other 2.4GHz radio stuff while being extremely low power.
Price wise also fairly cheap at 2.5€ in singles (much less in high qty).
Even if you ignore the wireless this is a neat part.

