mcu News - Page 44 of 53 - CNX Software

April 20, 2015April 20, 2015 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Rockchip RKNanoD is a Dual Core Cortex M3 MCU for IoT and Audio Applications

Rockchip is better known for their application processor like RK3188 or RK3288 found in tablets and mini PCs, but the company is also making lower power SoCs such as RKNanoC Cortex M3 micro-controller used in wireless audio applications, and more recently Rockchip demonstrated RKNanoD, a dual core Cortex M3 micro-controller for IoT and high-definition audio applications. Some key specifications and features of RKNanoD MCU: Cores ARM Cortex M3 @ 150 MHz with 64KB SRAM, 16KB RAM, 320KB iRAM, 256KB DRAM for system. ARM Cortex M3 @ 300 MHz with 128KB iRAM, 256 KB DRAM, and an audio H/W accelerator for compute tasks like audio decoding. Storage I/F – Flash, SDMMC, SDIO, SFC Display I/F – LCD, E-Ink Audio – 2x I2S, 24-bit / 192 KHz audio codec USB – USB 2.0 OTG Other I/Os – GPIO, 6x UART, 2x SPI, 3x I2C, 5x PWM, 8x SARADC 8x DMA, 2x Timers […]

March 25, 2015 by Jean-Luc Aufranc (CNXSoft) - No Comments

Texas Instruments Introduces MSP432 ARM Cortex-M4F MCU Family

Texas Instruments has just launched a successor for its 16-bit MSP430 MCU family with MSP432 MCU series featuring a 32-bit ARM Cortex-M4F core, a DSP, up to 256 KB flash, up to 64 KB SRAM, and according to the company ” delivering a ULPBench score of 167.4 outperforming all other Cortex-M3 and -M4F MCUs on the market”. The new MCU family targets consumer & portable electronics, building & factory automation & control, smart grid & energy, healthcare & fitness, and wearables applications. Key features listed for MSP432P4xx: MCU – 32-bit ARM Cortex-M4F up to 48 MHz with FPU and DSP. Delivers 3.4 Coremark/MHz Memory – Up to 64 KB RAM; Selectable RAM retention Storage – Up to 256 KB Flash; dual bank for simultaneous reading and writing Security – 256-bit AES encryption, JTAG access lock, 4 IP Protection regions EnergyTrace Technology Real-time power measurement and debugging Generate application energy profiles including […]

November 12, 2014 by Jean-Luc Aufranc (CNXSoft) - No Comments

Atmel Introduces ATmega PB MCUs and $8.88 ATmega168PB Xplained Mini Evaluation Kit

Atmel has introduced four new MCU to its megaAVR MCU family with ATmega168PB coming first with 16KB Flash, 512 bytes EEPROM and 1KB RAM, as well as ATmega48PB, ATmega88PB and ATmega328PB to be released in Q1 2015. The new MCUs are pretty similar to the existing mega MCU with an AVR core running at 20MHz, a 10-bit ADC, an Analog Comparator, SPI, I2C, USART, etc…, but they also add a unique serial number readable from application code, the ability to wake-up from power-down mode on receipt of data on the USART interface, and improved accuracy for ADC conversion and UART signals. ATmega328PB also offers a QTouch peripheral touch controller, and on-chip debugging. You can evaluated the new MCU thanks to ATmega168PB Xplained Mini evaluation kit which comes with the following key features: On-board debugger with full source-level debugging support in Atmel Studio Auto-ID for board identification in Atmel Studio 6.2 […]

October 24, 2014October 24, 2014 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

Beyond Semi Introduces 32-bit BA20 Core with Cortex M4 Performance Efficiency, and Cortex M0+ Silicon Area

Beyond Semiconductor and CAST have jointly announced BA20 32-bit embedded processor core with PipelineZero Architecture (zero-stage execution pipeline), that rivals with ARM Cortex A4 in terms of performance per MHz, while using about the same silicon area as an ARM Cortex M0+. which could be critical for applications such as wearables, sensors, and wireless communication, that may require both a small footprint and high performance efficiency. The company’s PipelineZero micro-archirtecture can execute one instruction per cycle, hence saving energy by doing more in less time, and by operating at lower clock rates. Key features listed for BA20 IP core: PipelineZero architecture for high performance efficiency with tiny silicon footprint 3.04 DMIPs/MHz (vs ARM Cortex M4: 1.25 DMIPS/MHz) 3.41 Coremarks/MHz (vs ARM Cortex M4: 3.40 CoreMarks/MHz) 2µW/MHz (vs ARM Cortex M0+: 3µW/MHz) 10K gates (0.01mm2) in 9-track 40G (vs 0.009mm2 for ARM Cortex M0+) BA2 ISA Extreme Code Density for less […]

October 8, 2014October 9, 2014 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

Cortus Introduces APS23 and APS25 32-Bit Cores for Micro-controllers

ARM and MIPS are not the only games in town with it comes to 32-bit cores for micro-controllers. I’ve already written about Beyond Semiconductor, and mentioned Andes used in some Wi-Fi SoC, and today I’ve come across another IP company called Cortus. which just introduced APS23 and APS25 cores based on their latest Cortus V2 instruction set. which offers a smaller code footprint compared to there V1 ISA. APS23 can achieve 1.44 Coremarks/MHz, 2.83 DMIPS/MHz, and can run up to 200 MHz when manufactured with 90nm process, whereas APS25 is a bit more powerful with 2.09 Coremarks/MHz, 2.36 DMIPS/MHz, and can run up to 344 MHz. Minimal power consumption is 11.6 and 19.3 uW/Mhz for APS23 and APS25 respectively. Key features of both cores include: APS23 APS25 Excellent Code Density 3 stage pipeline 5-7 Stage Pipeline Sequential Multiplier High Performance Integer Multiply Optional Parallel Multiplier (Gives 2.62 Coremakes/MHz) Integer Divider Full Peripheral Set Dual […]

September 26, 2014February 8, 2019 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Pyboard MicroPython ARM Cortex M4 Board is Now Available for $45

MicroPython is both a lightweight implementation of Python 3.4 programming language, and a board, aka pyBoard, based on STMicro STM32F4 ARM Cortex M4 micro-controller running Micro Python. The project had a successful Kickstarter campaign in 2013, and they’ve completed shipment of the perks to their backers last June. The company has now launched its own store, so let’s see the progress of the project. The board has been re-designed since Kickstarter campaign, but the specifications remains the similar, but with some extra I/Os exposed: MCU – STMicro STM32F405RG micro-controller @ 168 MHz with 1MB flash, 192KB RAM, and an FPU. External Storage – Micro SD card slot, supporting standard and high capacity SD cards Expansion Headers: 24x GPIO on left and right edges and 5x GPIO on bottom row, plus LED and switch GPIO available on bottom row 3x 12-bit analog to digital converters, available on 16 pins, 4 with […]

September 24, 2014September 7, 2018 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

STMicro STM32F7 Series is the First ARM Cortex-M7 MCU Family

Right after ARM’s Cortex-M7 announcement, STMicro has listed STM32F7 MCU family based on the latest ARM core on their website. The family is comprised of 20 different MCUs with various flash size, packages, and with or without a crypto/hash coprocessor. The company expects their STM32F756xx microcontrollers to be used for motor drive and application control, medical equipment, industrial applications such as PLC, inverters, and circuit breakers, printers & scanners, alarm systems, video intercom, HVAC, home audio appliances, mobile applications, Internet of Things application, and wearable devices such as smartwatches. STM32F7 MCUs share the following key features: Cortex-M7 core @ 200 Mhz (1000 CoreMark/428 DMIPS) with L1 cache (4KB I-cache, 4KB d-cache) 320KBytes of SRAM with scattered architecture: 240 Kbytes of universal data memory a 16 Kbytes partition for sharing data over the bus matrix 64 Kbytes of Tightly-Coupled Data Memory (DTCM) for time critical data handling (stack, heap…) 16 Kbytes […]

September 24, 2014September 24, 2014 by Jean-Luc Aufranc (CNXSoft) - 6 Comments

ARM Introduces Cortex-M7 MCU Core for IoT, Wearables, Industrial and Automotive Applications

ARM has just announced Cortex-M7 processor based on ARMv7-M architecture, with double the compute and digital signal processing (DSP) capability of ARM Cortex M4. The latest ARM MCU core targets IoT and wearables applications for the automotive, industrial, and consumer markets including motor control, industrial / home / factory automation, advanced audio, image processing, connected vehicle applications, and so on. Cortex-M7 comes with enhanced DSP instructions, a better FPU (FPv5 with single and double precision support), and tight coupled memory compared to Cortex-M4, according to an Anandtech article. ARM Cortex-M7 also achieves 5 CoreMark/MHz against 3.41 CoreMark/MHz for Cortex M4, and up to 3.23 DMIPS/MHz against up to 1.95 DMIPS/MHz. ARM Cortex-M7 features listed in the press release: Six stage, superscalar pipeline delivering 2000 Coremarks at 400MHz in a 40LP process. AXI interconnect (supports 64-bit transfer) and fully integrated optional caches for instruction and data allowing efficient access to large […]