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The ARM Cortex-M family are ARM microprocessor cores that are designed for use in microcontrollers, ASICs, ASSPs, FPGAs, and SoCs.Cortex-M cores are commonly used as dedicated microcontroller chips, but also are "hidden" inside of SoC chips as power management controllers, I/O controllers, system controllers, touch screen controllers, smart battery controllers, and sensor controllers.
As Cortex-M0 0.9 DMIPS/MHz ARMv4T SC100 As ARM7TDMI ARMv7-M SC300 As Cortex-M3 1.25 DMIPS/MHz Cortex-M: ARMv6-M Cortex-M0: Microcontroller profile, most Thumb + some Thumb-2, [12] hardware multiply instruction (optional small), optional system timer, optional bit-banding memory Optional cache, no TCM, no MPU 0.84 DMIPS/MHz [13] Cortex-M0+
For example, the ARM Cortex-A32 supports only AArch32, [163] the ARM Cortex-A34 supports only AArch64, [164] and the ARM Cortex-A72 supports both AArch64 and AArch32. [165] An ARMv9-A processor must support AArch64 at all Exception levels, and may support AArch32 at EL0.
The STM32 F2-series of STM32 microcontrollers based on the ARM Cortex-M3 core. It is the most recent and fastest Cortex-M3 series. The F2 is pin-to-pin compatible with the STM32 F4-series. The summary for this series is: [20] [19] [21] Core: ARM Cortex-M3 core at a maximum clock rate of 120 MHz. Memory:
SAMS70 series, (2015) Atmel announced the SAM S70 series based on the ARM Cortex-M7. [18] SAME70 series, (2015) Atmel announced the SAM S70 series based on the ARM Cortex-M7. [18] SAMV70 series, (2015) Atmel announced the SAM S70 series based on the ARM Cortex-M7, which is the first Atmel chip automotive grade with a Cortex-M7 core. [19]
This is a comparison of ARM instruction set architecture application processor cores designed by ARM Holdings (ARM Cortex-A) and 3rd parties. It does not include ARM Cortex-R, ARM Cortex-M, or legacy ARM cores.
PSoC 4 – CY8C4xxxx series – ARM Cortex-M0 core. [5] PSoC 5/5LP – CY8C5xxxx series – ARM Cortex-M3 core. PSoC 6 – CY8C6xxxx series – ARM Cortex-M4 core with an added ARM Cortex-M0+ core (in some models). [6] Bluetooth Low Energy. Starting in 2014, Cypress began offering PSoC 4 BLE devices with integrated Bluetooth Low Energy ...
The M3's Unified Memory Architecture (UMA) is similar to the M2 generation; M3 SoCs use 6,400 MT/s LPDDR5 SDRAM. As with prior M series SoCs, this serves as both RAM and video RAM. The M3 has 8 memory controllers, the M3 Pro has 12 and the M3 Max has 32. Each controller is 16-bits wide and is capable of accessing up to 4 GiB of memory. [14]