Universal Serial Bus popularly known as USB is a Plug and Play interface used for computers to communicate with diverse types of USB peripherals. Keyboards, Mouses, Joysticks, Speakers, Webcams, External Drives are common USB devices. The underlying mechanisms for each of these devices are different. Some of them are mass storage devices, video devices, audio devices while others are human interface devices. UVC stands for USB Video Class and can transmit video over USB, similarly UAC stands for USB Audio Class and can transmit audio over USB. When user plugs a UVC/UAC device to the host, configuration, and enumeration of UVC/UAC device at host will be completed and its capabilities advertised to the host. USB Camera and USB Headset is an example of UVC and UAC Device, respectively.

Cache coherence maintains consistency between cached data copies when multiple devices access shared memory. This blog explores the need for cache coherency, coherence protocols like snooping, and fixing incoherence issues in multicore systems like ensuring descriptor writebacks for proper DMA transfers with EMAC.

The logistics and supply chain industries are increasingly using digital mobility solutions to streamline operations, gain real-time data insights, and reduce environmental impact. By optimizing inventory management systems, businesses can achieve faster delivery times, reach customers more efficiently, reduce lead times, minimize errors, and better manage inventory.

Nowadays, every car equipped with an infotainment system is required to upgrade its firmware to stay bug-free and feature-rich. Due to advancements in automotive industries, especially in EVs, firmware upgrades are possible over the air. However, providing such features over the air may expose an automotive’s end infotainment clusters and electronic components to various kinds of threats.

To achieve the goal of 50 billion connected devices by 2025, we need a strong infrastructure with the right balance of technologies to provide a distinctive and productive experience for customers. The end user could be an individual or a system, such as a smart home management system that improves the security, energy efficiency, and productivity of an entire system.