许多最大的 Arm Cortex-M MCU 供应商也提供各种基于实时 Cortex-R 内核的芯片，包括 Infineon、Microchip Technology、NXP Semiconductors、Renesas ...

Their low power, small size and high performance, combined with industry standard architecture make them ideal for these applications. The Cortex-R4 processor builds on this foundation, by increasing ...

It is not in the road map of leading manufacturers. Even if it is used, it is always in dual core chips. Cortex-M4 was introduced with DSP and was projected as a low cost replacement for R4. Going ...