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interfaces.md

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Interfaces

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

  • Primary Clock: clk_i
  • Other Clocks: clk_aon_i
  • Bus Device Interfaces (TL-UL): tl
  • Bus Host Interfaces (TL-UL): none
  • Peripheral Pins for Chip IO: none
Port Name Package::Struct Type Act Width Description
nmi_wdog_timer_bark logic uni req 1
wkup_req logic uni req 1
aon_timer_rst_req logic uni req 1
lc_escalate_en lc_ctrl_pkg::lc_tx uni rcv 1
sleep_mode logic uni rcv 1
tl tlul_pkg::tl req_rsp rsp 1

Interrupts

Interrupt Name Type Description
wkup_timer_expired Event Raised if the wakeup timer has hit the specified threshold
wdog_timer_bark Event Raised if the watchdog timer has hit the bark threshold

Security Alerts

Alert Name Description
fatal_fault This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected.

Security Countermeasures

Countermeasure ID Description
AON_TIMER.BUS.INTEGRITY End-to-end bus integrity scheme.