In today’s digital age, storage technology is crucial. eMMC, as a key technology in the embedded storage field, is widely used in various electronic devices. The SGDK330B protocol analyzer launched by SolidGear provides strong support for in-depth research and efficient utilization of eMMC technology.1. eMMC: The Core Power of Embedded StorageeMMC (embedded MultiMediaCard) is a storage solution designed to meet the needs of embedded applications such as mobile devices. It integrates NAND flash memory and a controller in a compact package, providing devices with stable and efficient storage capabilities. Its internal structure is sophisticated, with the controller managing the flash memory’s erase, bad block handling, and communication with the host, greatly simplifying system design.eMMC has a wide range of application scenarios. In the mobile device sector, the rapid development of smartphones and tablets has continuously increased storage demands. With its small size, low power consumption, and fast read/write speeds, eMMC has become the ideal choice for storing operating systems, applications, and user data. In consumer electronics, devices such as smart TVs and gaming consoles rely on eMMC to store large amounts of multimedia content and game data, enhancing user experience. In the industrial sector, industrial control devices and automotive systems have high reliability and stability requirements for storage. eMMC can operate stably in complex environments, ensuring normal device operation. Additionally, IoT devices widely use eMMC to store sensor data, device configuration information, and more, promoting the development of the Internet of Things.2. SolidGear SGDK330B Protocol Analyzer: A Professional Tool for eMMC Research(1) Supported SpecificationsThe SGDK330B protocol analyzer is powerful and supports various standard specifications. In terms of eMMC, it fully supports the eMMC Ver5.1 specification, covering HS200/HS400 high-speed modes, as well as 1bit/4bit/8bit boot operation modes, ensuring compatibility with different eMMC devices and application scenarios. It also supports SD Ver3.00 (including various capacity types such as SDSC, SDHC, SDXC, and multiple speed modes) and SDIO Ver3.00 (supporting 1bit/4bit/8bit UHS-I 208MHz, with 2KB block length and interrupt functionality), showcasing its wide compatibility.(2) Functional Features1. Data and Signal Analysis: It can display various data and response information on the eMMC bus in real-time, including commands, parameters, CRC check values, etc., helping engineers intuitively understand the device communication status. This information can also be saved as text files for subsequent analysis and comparison.2. Triggering and Capturing: It provides rich triggering options, such as CRC error triggering, with multiple CRC error types to choose from. It supports sequential triggering based on conditions like command, address, and busy time, allowing precise capture of key events for in-depth analysis of anomalies.3. Probe Point Setting and Optimization: Users can set probe points and adjust signal delay times, ranging from 5ns before the clock edge to the clock edge. During the auto-tuning process, it changes the delay cycle and detects CRC errors, managing probe point results through 64-bit data to ensure accurate signal sampling.4. Hardware Auto Tuning Program: When eMMC accesses data in HS200 or HS400 high-speed mode, it can automatically and quickly find the timing delays of CMD, RSP, and DAT0 – 7 with CLK, avoiding CRC errors, with a timing accuracy of 78ps.5. Rich Subcard Interface Support: SolidGear provides the industry’s most comprehensive support for various SD/SDIO/eMMC subcard interfaces. The analyzer can be paired with various subcard interfaces to quickly resolve testing interface connection issues, ensuring the stability and reliability of hardware connection settings. SolidGear supports Minipod for SD, Minipod for MicroSD, Minipod for eMMC socket types, and Minipod for eMMC flying wire connections.(3) Customer Support1. Accelerating Product Development: It provides efficient analysis tools for software and hardware engineers engaged in SD/SDIO/eMMC product development, helping them quickly locate and resolve issues during the development process, shortening product development cycles.2. Ensuring Product Quality: Through in-depth analysis of eMMC bus data, it ensures that products meet relevant standards and specifications, improving product stability and compatibility, and enhancing product quality.3. Optimizing System Performance: Engineers can use this analyzer to understand the performance bottlenecks of eMMC devices and optimize accordingly, enhancing overall device performance and increasing product competitiveness.The SolidGear SGDK330B protocol analyzer, with its comprehensive specification support and powerful functional features, has become an indispensable tool in the research and product development of eMMC technology, providing strong support for customers’ innovation and development in the field of storage technology.