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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.
It is based on a 32-bit ARM Cortex-M4F CPU, and extends their 16-bit MSP430 line, with a larger address space for code and data, and faster integer and floating point calculation than the MSP430. Like the MSP430, it has a number of built-in peripheral devices, and is designed for low power requirements. In 2021, TI confirmed that the MSP432 has ...
All recent LPC families are based on ARM cores, which NXP Semiconductors licenses from ARM Holdings, then adds their own peripherals before converting the design into a silicon die. NXP is the only vendor shipping an ARM Cortex-M core in a dual in-line package: LPC810 in DIP8 (0.3-inch width) and LPC1114 in DIP28 (0.6-inch width). The following ...
The STM32 chips are grouped into related series that are based around the same 32-bit ARM processor core: Cortex-M0, Cortex-M0+, Cortex-M3, Cortex-M4, Cortex-M7, Cortex-M33. Internally, each microcontroller consists of ARM processor core(s), flash memory , static RAM , debugging interface, and various peripherals.
The ATSAM4 is based on the ARM Cortex-M4 core. The SAM4E includes a FPU (Floating-Point Unit). The SAM4C includes a dual-core ARM Cortex-M4 (one core with a FPU). 1 August 2017, the ATSAMD5x and ATSAME5x family was announced. This features several enhancements for lower power operation and more peripherals, Ethernet and CANBUS-FD in SAME5x series.
The features of Autonomous Peripherals, Peripheral Reflex System, and LESENSE may also be drawn upon to keep the EFM32 in lower energy modes. The Autonomous Peripheral feature ensures that peripheral devices can operate without waking up the CPU. This feature provides direct memory access (DMA) support with up to 16 channels, depending on the ...
Advanced Peripheral Bus (APB3 v1.0) Advanced Trace Bus (ATB v1.0) AMBA 2 specification defines three buses/interfaces: Advanced High-performance Bus (AHB) - widely used on ARM7, ARM9 and Arm Cortex-M based designs; Advanced System Bus (ASB) Advanced Peripheral Bus (APB2 or APB) AMBA specification (First version) defines two buses/interfaces:
2.5.2 Cortex-M4 microcontrollers. 2.6 ARM7 ... and Enhanced Time Processing Unit (eTPU) are largely autonomous timing peripherals found on some Freescale parts ...
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