그것을 알아보자 - ARM Cortex-M23

ARM Cortex-M23

Cortex-M23 프로세서는 ARMv8-M 아키텍처로 구성되어 있으며, baseline 명렁 세트를 지원하는

초소형 2단 파이프 라인 프로세서라고 합니다.

특징으로 요즘 같은 4차 산업시대에 맞게 IoT분야 및 다양한 임베디드 응용 프로그램의

보안에 대한 ARM의 신기술은 TrustZone이 포함되어 있는 프로세서입니다.

Specifications

Architecture : ARMv8-M Baseline

Bus Interface : AMBA 5 AHB interface (Von Neumann bus architecture)

Optional single cycle I/O interface

ISA Support : Thumb/Thumb-2 subset

Pipeline : 2-stages

Software Security : Optional TrustZone for ARMv8-M with optional security

Memory Protection : Optional MPU with up to 16 regions per security state

Interrupts : Non-maskable Interrupt (NMI) and 1 to 240 physical interrupts with 4 priority levels

Interrupt Priority Levels : 8 to 256 priority levels

Wakeup Interrupt Controller : Optional for waking up the processor

from state retention power gating or when all clocks are stopped

Enhanced Instructions : Hardware single-cycle (32x32) multiply and fast (32/32) divide option

Sleep Modes :

- Integrated WFI and WFE Instructions and Sleep On Exit capability

- Sleep and Deep Sleep Signals

Debug : Optional JTAG and Serial Wire Debug ports, Up to 4 Breakpoints and 4 Watchpoints

Trace : Optional Micro Trace Buffer (MTB) or Embedded Trace Macrocell (ETM)

DMIPS/MHz range : 0.98

CoreMark®/MHz : 2.64

MPU(Memory Protection Unit) : Yes (option) (2x)

Maximum MPU Regions : 16

Trace (ETM or MTB) : ETMv3 (option) or MTB (option)

DSP(Digital Signal Processing) : No

Floating Point Hardware : No

Systick Timer : Yes (2x)

Built-in Caches : No

Tightly Coupled Memory : No

TrustZone for ARMv8-M : Yes (option)

Bus Protocol : AHB5, Fast I/O

Single Cycle Multiply : Yes

CMSIS Support : Yes

Dual Core Lock-Step Support : Yes