Zhongtian Micro is committed to enriching ecological construction, achieving fruitful results and accelerating customer chip product development
As the design cycle of IC products becomes shorter and shorter, the ecological environment is very important for developers. Promoting the construction of software ecosystem has an important and positive effect on the upstream and downstream of the chip. In order to meet the development needs of customers, shorten the development cycle and reduce R&D investment, Zhongtianwei and its partners work together to enrich the ecological supporting construction of CPU IP based on Zhongtianwei's independent research and development. Zhongtianwei actively cooperates with influential operating system providers and developers in the industry based on mainstream operating systems in different application areas to develop various components and SDKs suitable for CK CPU operating systems, including real-time operating system kernel and CSI abstraction layer. Interfaces, security components, OTA upgrade components, TCP/IP protocol stack, IoT protocol stack, file system, graphics engine, etc., with modules configurable, on-demand tailoring, etc., to provide customers with a variety of choices. In the support of the Internet of Things, general-purpose MCU, high-performance, security, and development tools, Zhongtianwei has achieved fruitful results in ecological construction: Internet of Things: As an Alibaba IoT partner, Zhongtianwei has integrated the innovative and secure ID2 technology with the chip technology through the CPU (supporting TEE) level in the field of Internet of Things, providing cloud-integrated security protection capabilities and securing information data from the bottom. Secure channel to build a secure environment from device to cloud. In-depth optimization of security technology, cloud integration, debugging features, performance and real-time performance, widely used in smart cities, smart home appliances, smart homes, smart travel and other fields. For the NB-IoT market, Zhongtian Weitong and ZTE Microelectronics jointly developed the first commercial mass production chip RoseFinch7100 for IoT security, and successfully launched the MCU development board supporting NB-IoT function. At the same time, Zhongtianwei also provided an IoT RF interface IP solution based on CK CPU for the ecological construction of IoT with MCU+AliOS+RF. ï¬ General MCU field: In the field of general-purpose MCUs, Zhongtianwei actively docks the embedded lightweight operating system ecosystem and realizes the docking of the top RTOS micro-kernels at home and abroad such as FreeRTOS, uCOSIII, Zephyr, Nuttx, RT-Thread, etc., supporting multiple downstream The docking of the customer's SOC chip, while docking the mainstream middleware and application system based on the CSI (C-SKY Software Interface) interface, makes the ecological sharing very simple. Greatly shorten the time for product development and launch, improve the overall quality of software, and accelerate the deployment of application services. ï¬ High performance field: Zhongtianwei actively connects to the most active Linux operating system of global developers. It not only optimizes the toolchain, kernel, and base library based on the architecture, but also performs hardware and software integration on the common middleware and applications that depend on the architecture. To lay a good foundation for the rapid introduction of Linux ecosystem users. In general, Zhongtianwei uses the Buildroot overall compilation environment to provide Linux systems. Users can compile and compile cross-compilation toolchains, root filesystems, Linux kernel images, boot images, and Linux system components. It is worth mentioning that Zhongtianwei has fully upgraded the version of a series of components including toolchain, Kernel, C library, etc. to the latest version of the open source community, enabling developers to easily use the latest achievements of the open source community. ï¬ Security area: In response to the security factors of the Internet of Things and various networked devices, Zhongtianwei has developed a trusted framework for processors. Through TEE and anti-physical attack technologies, we have comprehensively considered various security threats from the inside out. In addition to the security technology on the hardware, Zhongtianwei has also comprehensively upgraded its software security technology to realize the Internet of Things cloud in terms of trusted boot, image signature, secure storage, data encryption, access control, and device authentication. An integrated solution. In early 2017, Zhongtianwei joined the International Standards Organization Global Platform, which is committed to developing, developing and releasing technical standards for security chips. Zhongtianwei has also established an in-depth partnership with Shenzhen Nuichuang Xinan (OSR) in the fields of secure IP and SoC security secret certification, and together to provide customers with professional support services. ï¬ Development tools support the ecology: In order to support the user's efficient, practical and convenient development and debugging, Zhongtianwei has optimized the CPU architecture based on the compiler tool chain, software simulator, debugger and runtime library, which makes the compiled code density and performance. In order to cope with different application scenarios, Zhongtianwei has launched two sets of IDE development tools for graphical interface, one is the integrated development environment CDS for high-end applications, and the other is for the integration of low-end MCU applications. Develop environment CDK to provide users with a better development experience. C-SKY CDK user interface Work with partners to build software ecosystems: ï¬ Partner AliOS: As an Alibaba IoT partner, Zhongtianwei has developed a multi-level device development platform based on the AliOS Things operating system, which fully complies with the technical needs of the Internet of Things era and the massive outbreak of the market. ï¬ Partner RT-Thread:
The Bluetooth wireless speaker is the terminal of the entire audio system, to convert the audio energy into corresponding sound energy and radiate it into the space. Bluetooth speakers usually consist of speaker, crossover, cabinet, sound absorbing materials and so on. Bluetooth speaker is a device that converts audio signal into sound. In general, it means that the main body of the speaker or the subwoofer box has its own power amplifier. After the audio signal is amplified, the sound is played back by the speaker itself, making the sound louder.
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The sound pressure level of the sound is not too high, and the power received is relatively small.
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