Your question is Bit Manipulation for Hardware. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Discuss bit manipulation techniques in the context of hardware interfaces and why they matter for performance and reliability.
Explain how masks, shifts, bitwise operators, and read-modify-write operations are used with memory-mapped or device registers. Include one concrete example and address correctness concerns such as reserved bits, volatile access, endianness, and concurrent updates.
Keep the answer language-agnostic, but use C or C-like register code where useful.