ra8_cac_regs.h File Reference

Clock Accuracy Check (CAC) register layout for the Renesas RA8D2. More...

#include <stdint.h>

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Data Structures
struct	r_cac_regs_t

Enumerations
enum	ra8_cac_addr_t : uintptr_t { k_ra8_cac_base_addr = 0x40202400UL }

Functions
static volatile r_cac_regs_t *	ra8_cac (void)
	Get pointer to the CAC block.

Detailed Description

Clock Accuracy Check (CAC) register layout for the Renesas RA8D2.

The CAC compares a reference clock (external crystal / pin) against a measurement clock (HOCO / MOCO / PLL output) and raises an error interrupt if the two drift apart by more than a programmed tolerance. Used by the CGC driver to validate that the PLL output is really at the target frequency after bring-up.

Copyright

Copyright (c) 2026 Brighton Sikarskie SPDX-License-Identifier: MIT

Definition in file ra8_cac_regs.h.

Enumeration Type Documentation

ra8_cac_addr_t

enum ra8_cac_addr_t : uintptr_t

Enumerator
k_ra8_cac_base_addr	RA8 cac base address.

Definition at line 25 of file ra8_cac_regs.h.

Function Documentation

ra8_cac()

volatile r_cac_regs_t * ra8_cac ( void )

inlinestatic

Get pointer to the CAC block.

Definition at line 42 of file ra8_cac_regs.h.

References k_ra8_cac_base_addr.

Referenced by internal_configure(), ra8_cac_clear_status(), ra8_cac_deinit(), ra8_cac_dispatch(), ra8_cac_enter_stop(), ra8_cac_get_status(), ra8_cac_init(), and ra8_cac_measure().