11.1 Cortex-M23 Processor
The SAM L10/L11 implement the ARM® Cortex®-M23 processor, based on the ARMv8-M Baseline Architecture, which is the smallest and most energy efficient ARM processor with ARM TrustZone® security technology.
TrustZone® for ARMv8-M provides hardware-enforced security isolation between trusted and the untrusted resources on a Cortex™-M23 based device, while maintaining the efficient exception handling.
The implemented ARM Cortex-M23 is revision r1p0.
The ARM Cortex-M23 core has two bus interfaces:
- Single 32-bit AMBA®-5 AHB-Lite system interface that provides connections to peripherals and memories.
- Single 32-bit I/O port bus interfacing to the PORT and Crypto Accelerator peripherals with 1-cycle load and store.
Note: For more information refer to www.arm.com