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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.
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]
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.
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+
Cortex-A12: Cortex-A15: Texas Instruments OMAP5, Samsung Exynos 5250, ST Ericsson NovaThor A9600, [20] Fujitsu, [21] Nvidia Tegra 4 Samsung/Google Nexus 10, Samsung Chromebook XE303 Cortex-A17: Rockchip: RK3288: RK3288 Asus Tinker Board, Boardcon EM3288 SBC [22] Cortex-A32: Cortex-A35: NXP i.MX8X, MediaTek MT6799, MT8516, Rockchip RK3308 ...
New Cypress PSoC® 5LP Family With ARM ® Cortex™-M3 Processor Powers High-Precision Programmable Analog With a Single-Cell Battery, Advancing Embedded Design Devices Offer 0.5-V startup with ...
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]
In September 2012, NXP announced the LPC4000 series based on ARM Cortex-M4F. [34] In November 2012, NXP announced the LPC800 series based on the ARM Cortex-M0+ core, and the first ARM Cortex-M in a DIP8 package. [35] In April 2013, NXP announced the LPC-Link 2 JTAG / SWD debug adapter. Multiple firmware versions are available to emulate popular ...
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