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MIPI Alliance
Published: Wednesday, January 18, 2017 - 15:09 (MIPI Alliance: Piscatawa, NJ) -- The MIPI Alliance, an international organization that develops interface specifications for mobile and mobile-influenced industries, has released MIPI I3C—“Improved inter-integrated circuit,” a sensor-interface specification that streamlines sensor integration in smartphones, wearables, internet of things (IoT) devices, and automotive systems. “MIPI I3C is an important milestone for MIPI Alliance and the developer community because it brings together multiple sensor-interface approaches around a unifying specification that provides conveniences and system-level benefits for many applications,” says Joel Huloux, chairman of the board of MIPI Alliance. “We expect MIPI I3C will play a fundamental role in expanding opportunities for sensor-based applications in mobile, mobile-influenced, and embedded systems markets.” MIPI I3C addresses sensor-integration challenges MIPI I3C delivers these benefits by incorporating, consolidating, and advancing I2C, SPI, and UART with a new approach. The solution is comprehensive and scalable, and provides a superset of features and functionalities while supporting legacy devices. “The unified approach of MIPI I3C provides many strategic advantages for developers,” says Rick Wietfeldt, chair of the MIPI Alliance Technical Steering Group. “For example, with MIPI I3C, most types of I2C devices can coexist with I3C devices on the same bus, enabling vendors to migrate current I2C designs to the new standard. Likewise, newly designed MIPI I3C devices can work on existing legacy I2C buses.” MIPI I3C specifies a chip-to-chip interface that can connect all sensors in a device to the application processor. It is implemented on a standard CMOS I/O using two wires. The specification achieves clock rates up to 12.5 MHz and provides options for higher performance, high-data rate modes. It uses a fraction of the power while providing more than an order of magnitude the bandwidth compared to I2C. Versatility for multiple use cases and sensor classifications The specification supports numerous sensor classifications and functions. Examples include accelerometers, touch screens, time-of-flight cameras, sonic/ultrasonic sensors, transducers, and actuators. MIPI I3C also supports a range of biometric sensors and environmental sensors, and can be used to interface sensors used for near-field communications, haptics feedback, and infrared or ultraviolet sensing. Although MIPI I3C was originally developed to meet the needs of sensor applications, it can also be applied anywhere low- to medium-bandwidth devices that benefit from integrated data and control via byte-based transmission are found, such as power management and control interfaces. In addition, MIPI I3C will be utilized in other MIPI specifications under development, including MIPI Touch and MIPI Debug for I3C. MIPI Alliance welcomes industry participation in this work and invites member companies to collaborate in the creation of these forthcoming specifications. Industrywide collaboration on MIPI I3C Companies participating in the working group include Advanced Micro Devices Inc., Analogix Semiconductor, Cadence Design Systems, Google, Intel Corp., Knowles Electronics, Lattice Semiconductor Corp., MediaTek, NXP Semiconductor, Qualcomm, QuickLogic, Sony Corp., STMicroelectronics, Synopsys, and others. “This has been a truly collaborative effort, and we appreciate the dedicated and visionary work that has produced the MIPI I3C specification,” says Ken Foust, chair of the MIPI Alliance Sensor Working Group. “MIPI I3C is practical and forward-looking. We will continue to advance the specification to help companies serve the always-evolving and increasingly demanding markets for innovative, sensor-enriched products.” To learn more about MIPI I3C, download the “Introduction to the MIPI I3C Standardized Sensor Interface” whitepaper. Quality Digest does not charge readers for its content. We believe that industry news is important for you to do your job, and Quality Digest supports businesses of all types. However, someone has to pay for this content. And that’s where advertising comes in. Most people consider ads a nuisance, but they do serve a useful function besides allowing media companies to stay afloat. They keep you aware of new products and services relevant to your industry. All ads in Quality Digest apply directly to products and services that most of our readers need. You won’t see automobile or health supplement ads. So please consider turning off your ad blocker for our site. Thanks, MIPI Alliance (MIPI) develops interface specifications for mobile and mobile-influenced industries. Founded in 2003, the organization has more than 285 member companies worldwide and 14 active working groups delivering specifications within the mobile ecosystem. Members of the organization include handset manufacturers, device OEMs, software providers, semiconductor companies, application processor developers, IP tool providers, test and test equipment companies, as well as camera, tablet and laptop manufacturers.MIPI Alliance Releases MIPI I3C Sensor Interface Specification
Integrates sensors in smartphone, IoT, automotive, and other product designs
MIPI I3C supports the adoption and proliferation of sensors in mobile-connected products. It makes it easier to integrate sensors in small, space-constrained form factors, alleviates interface fragmentation, helps minimize pin count, and controls systemwide energy consumption. The specification gives developers a greater choice of design options, reduces system-level implementation costs, and helps shorten time-to-market for new applications.
MIPI I3C can be used to build smartphones, virtual-reality head-mounted devices, robot drones, medical instruments, autonomous vehicles, industrial equipment, all-in-one computers, and TV remotes, among other things.
The MIPI Alliance Sensor Working Group developed MIPI I3C to ensure the specification benefits companies across the sensor ecosystem. The working group collaborated with the MEMS and Sensors Industry Group (MSIG) to survey both organizations’ members to assess sensor interface needs and industry technology gaps that traditional sensor interfaces did not address.
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