Author: Jean-Luc Aufranc (CNXSoft)

Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.
Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on Pyboard MicroPython ARM Cortex M4 Board is Now Available for $45

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 […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 18 Comments on Rikomagic Announces MK902II LE Ubuntu Mini PC Powered by Rockchip RK3288 SoC

Rikomagic Announces MK902II LE Ubuntu Mini PC Powered by Rockchip RK3288 SoC

Rikomagic announced their MK902II mini PC based on Rockchip RK3288 in May, and which has started shipping recently for about $130. The company have now announced MK902II LE (Linux Edition) based on the same hardware, but instead of running Android 4.4, it’s running Xubuntu 14.04 with some virtualization technique that allows it to run x86 Linux programs such as Skype, and it can even support Wine to run Windows programs. MK902II LE specifications: SoC – Rockchip RK3288 Quad Core Cortex A12/A17 up to 1.8GHz with ARM Mali-T764 GPU supporting OpenGL ES1.1/2.0/3.0, Open VG1.1, OpenCL, DirectX11 System Memory – 2GB (Dual channel 64 bit DRAM controller) Storage – 16GB Internal eMMC with Xubuntu 14.04 preinstalled + micro SD card slot Video Output- HDMI (1080p), and AV output Audio Output – HDMI, AV output, optical output, or external USB audio card (not included) Connectivity – Gigabit Ethernet, 802.11 b/g/n Wi-Fi. USB – […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 17 Comments on Performance Comparison of Amlogic S805 and S802 Processors

Performance Comparison of Amlogic S805 and S802 Processors

Amlogic S805 is a quad core Cortex A5 processor for entry levels Android media players, S802 is a quad core processor with faster Cortex A9 cores clocked @ 2.0 GHz, and S812 is an upcoming upgrade of S802 with HEVC/H.265 hardware video decoding, and Gigabit Ethernet support. I’ve already written about the features differences between AML8726-MX, S802, S805, and S812, but since I now have some devices I can make direct comparison between S802 and S805. It’s quite clear on paper than S802 should be significantly faster than S805, so the only question to answer is by how much, but I’ve been asked to do it, and it could be a fun exercise.  The hardware devices used for the comparison are two Android media players: EM6Q-MXQ for S805 and Probox2 EX for S802, and I used the results from three Android benchmarks: Antutu 5.1, Vellamo 3.x, and 3Dmark Ice Storm […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on openPicus Introduces Wi-Fi and GPRS IoT Kits Powered by Microchip PIC24 MCU

openPicus Introduces Wi-Fi and GPRS IoT Kits Powered by Microchip PIC24 MCU

openPicus has launched two new development kits for the Internet of Things with either Wi-Fi or GPRS connectivity, based on their FlyportPRO modules featuring a 16-bit Microchip PIC24 MCU, and sharing the same baseboard. These kits can be used as a Web server with firmware update over the air (FOTA) (Wi-Fi version only) among other things, and support TCP, UDP, FTP, & HTTP protocols, as well as MQTT (Message Queue Telemetry Transport), a light weight messaging protocol running on top of the TCP/IP protocol, used when a small code footprint is required and/or network bandwidth is limited. openPicus FlyportPRO Wi-Fi and GPRS modules share mostly the same specifications: MCU – Microchip PIC24FJ256GB206 16-bit MCU @ 32 MHz with 256KB Flash,  96KB RAM External Storage – 16Mbit Flash memory (for FOTA), 64Kbit EEPROM Connectivity GPRS Module – SAGEM HILONC GPRS Transceiver (quad band: 850, 900, 1800, 1900 MHz) with uFL connector for external […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on Howchip Introduces ExSOM-4412 Module and Development Kit Powered by Samsung Exynos 4412 Quad Core SoC

Howchip Introduces ExSOM-4412 Module and Development Kit Powered by Samsung Exynos 4412 Quad Core SoC

Howchip, the company that normally distribute Insignal Origen and Arndale boards, has just introduced ExSOM-4412 system-on-module, and a corresponding development kit called ExSOM-4412-DVK. ExSOM-4412 module specifications: SoC – Samsung Exynos 4412 quad core Cortex A9 CPU with Mali-400MP4 GPU System Memory – N/A (TBC) Storage – Up to 8GB eMMC + SD/SDIO interface Connectivity – 10/100Mbps Ethernet, optional  Wi-Fi and Bluetooth module Video Output – HDMI(1080p) for TV, 2-ch LVDS for TFT LCD Camera – 2x parallel camera interfaces Audio – Line in/out  and Headphone out. USB – 4x USB 2.0 Host ch and OTG Configurable GPIOs, Analog inputs, PWMs and Serial interfaces such as I2Cs, SPIs,  and UARTs SoM Connector – 213-pin MXM connector Dimensions – 70mm x 70mm The dimensions and connector used points to the module following Qseven standard, but the company does not mention anything about Qseven, so the pin assignment may be different. Software support […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 3 Comments on STMicro STM32F7 Series is the First ARM Cortex-M7 MCU Family

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 […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 15 Comments on Rockchip RK3126, RK3128, and “MayBach” Octo-core Cortex A53 Processor Could Be Found in Tablets in Q4 2014

Rockchip RK3126, RK3128, and “MayBach” Octo-core Cortex A53 Processor Could Be Found in Tablets in Q4 2014

T-chip, the company behind Firefly-RK3288 development board and HPH NT-V6 media player, has sent me their latest company brochure this morning. The brochure mentions the company history since 2005, various tablets solutions they have done over the year, and new and upcoming products. One of the slides particularly caught my attention. RK3288 is pretty popular right now, but I had never heard about RK3126 and RK3128 SoC with four ARM Cortex A7 core with a Mali GPU supporting HEVC decoding up to 1080p resolution. Both processors are manufactured using 40nm technology, so I’d guess these target ultra low cost tablets, which should become available in October and November 2014. Even more interesting is the mention of “MayBach” Tablets. I’ve been told MayBach, which could just be a temporary codename, is an upcoming Rockchip SoC. Based on the information in the slide, it should be an Octa-core Cortex A53 processor with […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on MINIX NEO X6 H.265 Android Media Player is Available for Pre-order for $99

MINIX NEO X6 H.265 Android Media Player is Available for Pre-order for $99

Android media players based on Amlogic S805 such as MXQ S85 or EM6Q-MXQ are currently available for $50 to $70, but MINIX NEO X6 has now been listed for pre-order on sites such as DealExtreme. Geekuying, Aliexpress, and Amazon USstarting at $99 including shipping, with some sellers providing an extra gift (SD card or flash drive). MINIX devices are usually a bit more expensive than other equivalent products, because of potentially better hardware, and the company provides regular firmware updates and a support forum. The specs remain the same as the initial announcement: SoC – Amlogic S805 quad core ARM Cortex A5 @ 1.5GHz with quad core Mali-450MP GPU System Memory – 1 GB DDR3L Storage – 8 GB eMMC + micro SD slot Connectivity – 10/100M Ethernet, 802.11 b/g/n Wi-Fi (2.4 GHz) with external antenna, Bluetooth 4.0 Video Output – HDMI 1.4 up to 1080p with HDMI-CEC support Audio […]

Exit mobile version