Arm Releases Cortex-m4 Processor for High Performance Digital Signal Control

Arm releases cortex-m4 processor for high performance digital signal control

Arm recently released the innovative cortex ™- M4 processor provides an efficient solution for digital signal control (DSC) applications. At the same time, arm company also continues to maintain arm for advanced microcontroller (MCU) applications ® Cortex-M series processors are the industry leader.

The cortex-m4 processor perfectly integrates the efficient signal processing capability and many incomparable advantages of Cortex-M series processors, including low power consumption, low cost and ease of use. It is designed to meet the needs of emerging and flexible solutions. The target applications of these solutions include motor control, automotive electronics, power management, embedded audio and industrial automation.

The cortex-m4 processor has a single clock cycle multiplication accumulation (MAC) unit, optimized single instruction multiple data (SIMD) instructions, saturation instructions, and an optional single precision floating-point unit (FPU). These digital signal processing functions are based on the innovative technologies adopted by a series of arm Cortex-M series processors, including: high-performance 32-bit core, up to 1.25dmips/mhz; Thumb ®- 2 instruction set to provide the best code density; And a nested vector interrupt controller, which can complete excellent interrupt processing. In addition, the processor also provides an optional memory protection unit (MPU), which provides low-cost debugging / tracking function and integrated sleep state to increase flexibility. Embedded developers will be able to quickly design and launch eye-catching terminal products with the most functions and the lowest power consumption and size.

Will Strauss, President of forward concepts, a leading market research company that provides tracking services for the market based on DSP technology, said: "The demand for signal processing in the embedded market has shifted from dedicated processors to hybrid microcontrollers. These products can provide excellent digital signal control while providing flexibility for effective other processing operations. Arm's partners will benefit from the introduction of cortex-m4 processor, because cortex-m4 not only has the requirements for optimal digital signal control operation It also combines the low-power characteristics of Cortex-M series processors recognized by the market. "

Arm physical IP series can provide the most extensive OEM and technical support for cortex-m4 processor to complete physical implementation. This includes Cortex-M low-power optimization package for TSMC ce018fg (180nm ull) process, which is specially designed to meet the needs of partners who need ultra-low power implementation.

For those partners targeting high-performance MCU devices, arm also provides physical IP solutions in the leading OEM process. In order to achieve the 150MHz target frequency proposed by the next generation MCU devices, arm's physical IP for 65nm Globalfoundries 65lpe process can complete the standard implementation of cortex-m4 processor with only 65000 gates and dynamic power consumption lower than 40 µ w / MHz. If FP is added U. It also only needs to add 25000 circuits, so that the high-performance implementation of the processor can be completed in an industry-leading size.

Keil ™ Mdk-arm (microcontroller development kit) provides powerful development tool support for cortex-m4. The development kit includes the industry standard ARM compiler and provides extended support for SIMD and FPU. In addition, mdk-arm also includes µ vision for complete simulation of cortex-m4 processor instructions ® 4. And target debugging function with advanced tracking function.

In addition, the cortex-m4 processor is also obtained from the arm connected community â„¢ Support for development tools, debuggers and real-time operating systems (RTOS) provided by members. Arm connected community is the largest corporate alliance ecosystem in the industry. Its members work together to provide complete solutions from design to manufacturing for products based on ARM architecture. More details will be introduced below.

Cortex microcontroller software interface standard (CMSIS) cortex-m4 processor is fully supported by cortex microcontroller software interface standard (CMSIS). CMSIS is a hardware abstraction layer of Cortex-M processor series independent of suppliers, providing consistent and simple software interfaces for peripherals and real-time operating systems.

At present, arm is expanding CMSIS and will add a C compiler supporting cortex-m4 extended instruction set; at the same time, arm is also developing an optimization library to facilitate MCU users to develop signal processing programs. The optimization library will contain digital filtering algorithms and other basic functions, such as mathematical calculation, trigonometric calculation and control functions. Digital filtering algorithms will also be combined with filter design tools and Design toolkits (such as MATLAB and LabVIEW) are used together.

In addition, arm has also developed a series of cortex-m4 hardware and software training courses to ensure that licensors can effectively integrate cortex-m4 processor into their design and achieve optimal system performance with the lowest market risk and the shortest time to market.

Cortex-m4 processor has been authorized by five leading MCU semiconductor companies, including NXP, STMicroelectronics and Texas Instruments.

Arm Releases Cortex-m4 Processor for High Performance Digital Signal Control 1

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