Hardware Interfaces

Referring to the Comportable guideline for peripheral device functionality, the module rv_timer has the following hardware interfaces defined

  • Primary Clock: clk_i
  • Other Clocks: none
  • Bus Device Interfaces (TL-UL): tl
  • Bus Host Interfaces (TL-UL): none
  • Peripheral Pins for Chip IO: none

Inter-Module Signals

Port NamePackage::StructTypeActWidthDescription


Interrupt NameTypeDescription
timer_expired_hart0_timer0Eventraised if hart0’s timer0 expired (mtimecmp >= mtime)

Security Alerts

Alert NameDescription
fatal_faultThis fatal alert is triggered when a fatal TL-UL bus integrity fault is detected inside the RV_TIMER unit.

Security Countermeasures

Countermeasure IDDescription
RV_TIMER.BUS.INTEGRITYEnd-to-end bus integrity scheme.