Hardware interview practice
RAL frontdoor and backdoor
In the UVM Register Abstraction Layer (RAL), which distinction between frontdoor and backdoor register access is correct?
Choose one
Answer choices
- A. Frontdoor is read-only and backdoor is write-only
- B. Frontdoor uses the modeled bus/protocol path; backdoor accesses the hardware description language (HDL) implementation path without creating bus traffic
- C. Backdoor always consumes more bus cycles
- D. The two paths are synonyms in UVM 1.2