The Kynix Components - Development Boards, Kits, Programmers

The STM32H757I-EVAL board makes debugging and programming straightforward. Its embedded STLINK-V3E debugger enables you to monitor and refine your applications with precision. Dual-core debugging support lets you handle complex tasks efficiently. With STM32H757I, you can connect the board to your computer and start developing in no time. Advanced tools like STM32CubeIDE simplify the process further, ensuring you focus on creating rather than troubleshooting. This board empowers you to build reliable applications with ease.Setting Up the STM32H757I-EVAL BoardUnboxing and Initial Hardware SetupWhen you unbox the STM32H757I-EVAL board, you’ll find everything you need to get started. The package includes the evaluation board, a USB cable, and a quick start guide. Begin by inspecting the board for any visible damage. Familiarize yourself with its components, such as the dual-core processor, embedded debugger, and display interface. Place the board on a static-free surface to protect it from electrical discharge.The STM32H757I-EVAL board offers a wide range of features that enhance its connectivity and compatibility with PCs. Here’s a quick overview:FeatureDescriptionProcessorHigh-performance Arm? Cortex??M4 and Cortex??M7 coresDebugger/ProgrammerEmbedded STLINK-V3E debugger/programmerUSB ConnectivityUSB OTG HS and OTG FSEthernetYesCAN FDYesUSARTYesAudio DAC and ADCYesDigital MicrophoneYesMemorySRAM, SDRAM, NOR flash memory, twin Quad-SPI flash memorymicroSD SupportmicroSD? 3.0 cardDisplay4” 480×800 TFT color LCD with MIPI DSI? interface and capacitive touch panelCryptographic AcceleratorAvailable only on STM32H757XI devicesExpansion ConnectorsYes, for adding specialized featuresETM TraceSupported through external probesThis table highlights the board’s versatility, making it ideal for various applications.Installing STM32CubeIDE and Required DriversTo program and debug the STM32H757I-EVAL board, you need STM32CubeIDE. Download the IDE from STMicroelectronics’ official website. Install it by following the on-screen instructions. During installation, ensure you select the option to install the necessary drivers. These drivers enable your PC to communicate with the board effectively.STM32CubeIDE integrates seamlessly with STM32 boards, offering features like code generation through CubeMX and advanced debugging tools. Once installed, restart your computer to finalize the setup.Connecting the STM32H757I-EVAL Board to Your PCUse the provided USB cable to connect the STM32H757I-EVAL board to your PC. Plug one end into the board’s USB port and the other into your computer. Ensure the connection is secure. The board will power up automatically, and your PC should recognize it.If the connection fails, check the USB cable and port for issues. You may also need to update the drivers installed earlier. Once connected, launch STM32CubeIDE to verify the board’s detection. You’re now ready to start programming and debugging your applications.Programming the STM32H757I-EVAL BoardSelecting the Right IDE for DevelopmentChoosing the right Integrated Development Environment (IDE) is crucial for a smooth development experience. For the STM32H757I-EVAL board, STM32CubeIDE is the recommended choice. It combines a powerful code editor, debugging tools, and project management features in one platform. This IDE supports the board’s dual-core architecture, allowing you to program and debug both the Cortex-M7 and Cortex-M4 cores seamlessly.To get started, download STM32CubeIDE from the official STMicroelectronics website. The installation process is straightforward, and the IDE comes pre-configured for STM32 devices. If you’re new to STM32 development, STM32CubeIDE also includes CubeMX, a graphical tool that simplifies peripheral configuration and code generation. This feature helps you set up your project quickly without diving into complex initialization code.Tip: While STM32CubeIDE is the most compatible option, you can also explore other IDEs like Keil MDK or IAR Embedded Workbench if you have specific requirements. However, ensure they support the STM32H757I-EVAL board’s features.Writing and Compiling Your First ProgramOnce you’ve installed the IDE, it’s time to write your first program. Start by creating a new project in STM32CubeIDE. Select the STM32H757I-EVAL board from the device list. The IDE will automatically generate a basic template with the necessary initialization code.Here’s a simple example of a program that toggles an LED on the board:#include "main.h"int main(void) { HAL_Init(); // Initialize the HAL Library SystemClock_Config(); // Configure the system clock MX_GPIO_Init(); // Initialize GPIO pins while (1) { HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_0); // Toggle LED HAL_Delay(500); // Wait for 500ms }}This program initializes the hardware, configures the GPIO pins, and toggles an LED every 500 milliseconds. After writing the code, click the "Build" button in the IDE to compile it. The IDE will check for errors and generate a binary file that you can flash onto the board.Note: If you encounter errors during compilation, double-check your code and ensure all required libraries are included. The IDE’s error messages will guide you in fixing any issues.Flashing the Program onto the STM32H757I-EVAL BoardFlashing your program onto the STM32H757I-EVAL board is the final step. Connect the board to your PC using the USB cable. Ensure the board is powered on and recognized by the IDE.Follow these steps to flash your program:In STM32CubeIDE, click on the "Debug" or "Run" button.The IDE will automatically detect the board and load the program using the embedded STLINK-V3E debugger.Once the flashing process completes, the program will start running immediately.If the program doesn’t run as expected, verify the boot configuration. The STM32H757I-EVAL board uses a flexible boot mode that allows you to boot from different memory sources, such as flash memory or external storage. Ensure the boot settings match your program’s requirements.Tip: You can also use the "Demo" mode provided by the board to test preloaded applications and verify hardware functionality before running your custom programs.With these steps, you’ve successfully programmed and flashed your first application onto the STM32H757I-EVAL board. Experiment with different peripherals and features to explore the board’s full potential.Debugging Techniques with the STM32H757I-EVAL BoardImage Source: pexelsUsing the Embedded STLINK-V3E DebuggerThe STM32H757I-EVAL board includes the powerful STLINK-V3E debugger, which simplifies the debugging process. This embedded debugger eliminates the need for external debugging tools, making it convenient for you to test and refine your applications. It connects directly to STM32CubeIDE, allowing you to program and debug your code without additional setup.To use the debugger, connect the STM32H757I-EVAL board to your PC via USB. Open STM32CubeIDE and select the debugging option. The IDE will automatically detect the STLINK-V3E debugger and establish a connection. You can then step through your code, inspect variables, and identify issues in real time.Tip: If the debugger fails to connect, ensure the drivers are up to date and the board is powered on. A secure USB connection is essential for successful debugging.The STLINK-V3E debugger also supports advanced features like ETM trace, which provides detailed insights into your program's execution. This feature is particularly useful for optimizing performance and identifying bottlenecks in complex applications.Setting Breakpoints and Monitoring VariablesBreakpoints are essential for debugging. They allow you to pause your program at specific points and examine its behavior. In STM32CubeIDE, setting a breakpoint is as simple as clicking on the line number in your code editor. Once the program reaches the breakpoint, it will pause, giving you the opportunity to inspect variables, memory, and registers.To monitor variables, use the "Variables" or "Expressions" window in STM32CubeIDE. Add the variables you want to track, and the IDE will display their values in real time. This feature helps you understand how your program manipulates data and identify any unexpected behavior.Here’s an example of how you might use breakpoints and variable monitoring:Set a breakpoint at the start of a loop.Run the program in debug mode.When the program pauses, check the values of key variables.Modify the variables if needed and resume execution.Note: Avoid setting too many breakpoints at once. This can slow down the debugging process and make it harder to focus on specific issues.By using breakpoints and monitoring variables effectively, you can pinpoint errors and refine your code with precision.Debugging Dual-Core Applications with STM32CubeIDEThe STM32H757I-EVAL board features a dual-core architecture with Arm? Cortex??M4 and Cortex??M7 cores. This design allows you to run separate tasks on each core, enhancing performance and efficiency. Debugging dual-core applications, however, requires a slightly different approach.In STM32CubeIDE, you can debug both cores simultaneously. Start by configuring your project to enable dual-core debugging. Assign tasks to each core and ensure proper synchronization between them. For example, you might use the Cortex-M7 core for high-performance tasks and the Cortex-M4 core for low-power operations.When debugging, you can monitor each core independently. Use the "Core Selector" in STM32CubeIDE to switch between cores. This feature lets you inspect the state of each core, including registers, memory, and variables.Here are some key metrics to consider when debugging dual-core applications:Ensure both cores boot up correctly.Verify that CPU2 boots-up and executes its assigned tasks.Check for proper communication between the cores.Tip: Use the embedded STLINK-V3E debugger to access all STM32 peripherals and ensure seamless debugging.The STM32H757I-EVAL board’s dual-core architecture provides a robust platform for complex applications. By leveraging STM32CubeIDE’s dual-core debugging features, you can successfully debug and optimize your programs.Callout: Debugging in Keil is also an option if you prefer an alternative IDE. Keil offers advanced debugging tools and supports the STM32H757I-EVAL board’s dual-core architecture.Common Troubleshooting Tips for the STM32H757I-EVAL BoardResolving Hardware Connection IssuesWhen your STM32H757I-EVAL board fails to connect to your PC, start by checking the USB cable. A damaged or loose cable often causes connection problems. Use a different cable if necessary. Ensure the USB port on your PC is functional by testing it with another device.Inspect the board for physical damage. Look for bent pins or loose components. Place the board on a static-free surface to avoid electrical interference. If the board still doesn’t connect, verify that the drivers installed during the STM32CubeIDE setup are up to date.Tip: Restart your PC and reconnect the board. This simple step often resolves connection issues.Debugging and Fixing Code ErrorsErrors in your code can prevent your program from running as expected. Start by reviewing the error messages in STM32CubeIDE. These messages provide clues about what went wrong. Focus on syntax errors first, as they are the easiest to fix.Use the debugger to step through your code line by line. Set breakpoints at critical sections to pause execution and inspect variables. This helps you identify logical errors. For example, if a variable doesn’t hold the expected value, trace back to where it was assigned.If the debug not working issue arises, ensure the STLINK-V3E debugger is properly connected. Check that the board is powered on and recognized by the IDE. Update the debugger firmware if necessary.Note: Always test small sections of your code before integrating them into the main program. This approach makes debugging easier.Updating Firmware and Drivers for CompatibilityOutdated firmware or drivers can cause compatibility issues. Visit the official STMicroelectronics website to download the latest firmware for the STM32H757I-EVAL board. Follow the instructions provided to update the firmware.Updating drivers is equally important. Use the Device Manager on your PC to check for driver updates. Right-click on the STM32 device and select "Update Driver." Choose the option to search automatically for updated driver software.Callout: Keeping your firmware and drivers up to date ensures smooth communication between your PC and the board.By following these troubleshooting tips, you can resolve common issues and keep your STM32H757I-EVAL board running smoothly.The STM32H757I-EVAL board provides a robust platform for programming and debugging. Its STLINK-V3E debugger and dual-core support allow you to handle complex applications with ease. By following the steps in this guide—setup, programming, debugging, and troubleshooting—you can unlock the board’s full potential.Tip: Explore the official documentation and community forums. These resources offer valuable insights and solutions to enhance your development experience.With the STM32H757I-EVAL board, you can build reliable and innovative applications effortlessly. Start experimenting today!FAQWhat makes the STM32H757I-EVAL board ideal for debugging?The board includes an embedded STLINK-V3E debugger. This tool connects directly to STM32CubeIDE, enabling real-time debugging. It supports advanced features like ETM trace, which helps you optimize performance and identify bottlenecks in your applications.Can I use other IDEs besides STM32CubeIDE?Yes, you can use IDEs like Keil MDK or IAR Embedded Workbench. Ensure the IDE supports the STM32H757I-EVAL board’s features, especially its dual-core architecture. STM32CubeIDE remains the most compatible option for seamless development.How do I update the board’s firmware?Visit STMicroelectronics’ official website to download the latest firmware. Use STM32CubeProgrammer to flash the update onto the board. Follow the instructions provided to ensure compatibility and smooth operation.What should I do if the board doesn’t connect to my PC?Check the USB cable and port for issues. Verify that drivers are installed and up to date. Restart your PC and reconnect the board. If the problem persists, inspect the board for physical damage or bent pins.Is dual-core debugging complicated?Dual-core debugging requires assigning tasks to each core and ensuring synchronization. STM32CubeIDE simplifies this process with its "Core Selector" feature. You can monitor each core independently, making debugging efficient and straightforward.

The STM32H735G-DK Discovery Kit offers a powerful development platform designed around the STM32H735 microcontroller. It empowers you to evaluate and prototype embedded applications with ease. This kit delivers exceptional computing performance, measured at:1284 DMPIS/MHz (Dhrystone 2.1).Whether you’re exploring industrial systems or IoT devices, this platform provides the tools to bring your ideas to life. Its robust design ensures a seamless experience for developing and testing innovative solutions.Overview of the STM32H735G-DKWhat is the STM32H735G-DK Discovery Kit?The STM32H735G-DK Discovery Kit is a comprehensive development platform designed to help you explore the capabilities of the STM32H735 microcontroller. It combines advanced hardware and software tools to simplify the process of creating and testing embedded applications. This kit includes everything you need to get started, from a high-performance microcontroller to a vibrant touchscreen display. Whether you are a beginner or an experienced developer, this discovery platform provides a hands-on way to bring your ideas to life.The kit’s design focuses on versatility. It supports a wide range of applications, from industrial automation to IoT devices. Its compact form factor and robust features make it an ideal choice for prototyping and evaluation. With the STM32H735G-DK, you can dive into embedded development without needing additional tools or components.Purpose and Benefits for DevelopersThe STM32H735G Discovery Kit offers several benefits that make it a valuable tool for developers like you. First, it simplifies the development process by providing a ready-to-use platform. You don’t need to spend time assembling hardware or configuring software. Everything is pre-integrated, allowing you to focus on your application.Second, the kit enables rapid prototyping. Its rich set of peripherals and connectivity options lets you test your ideas quickly. For example, you can connect sensors, displays, or communication modules to create functional prototypes in no time. This speed helps you iterate and refine your designs efficiently.Finally, the discovery kit supports a wide range of software tools, including STM32CubeIDE and STM32CubeMX. These tools streamline coding, debugging, and project management. By using this kit, you gain access to a powerful ecosystem that accelerates your development journey.Key Features of the STM32H735G Discovery KitHardware SpecificationsThe STM32H735G Discovery Kit offers a robust set of hardware features that make it a standout platform for application development. At its core, the STM32H735IGK6 microcontroller powers the kit, providing access to a wide range of peripherals. This microcontroller is designed for high performance, enabling you to handle demanding tasks with ease. The kit serves as a complete demonstration and development platform, allowing you to evaluate and create applications efficiently.Here’s what you’ll find in the hardware:A vibrant 4.3-inch TFT-LCD touchscreen display with capacitive touch support, perfect for creating interactive user interfaces.1 MB of RAM and 128 MB of external SDRAM, giving you ample memory for complex applications.16 MB of NOR Flash and 64 MB of QSPI Flash, ensuring sufficient storage for your projects.A dedicated STLINK-V3E debugger/programmer, which simplifies debugging and programming tasks.A rich set of peripherals, including GPIOs, ADCs, DACs, and timers, to support diverse application needs.This hardware setup ensures you have everything you need to start prototyping without additional components. Whether you’re working on industrial systems or IoT devices, the kit’s hardware features provide a solid foundation.Tip: The STM32H735G Discovery Kit is ideal for developers who want direct access to the microcontroller’s full range of peripherals.Software and Development ToolsThe STM32H735G Discovery Kit integrates seamlessly with a powerful ecosystem of software tools, making application development faster and more efficient. You can use STM32CubeIDE, a comprehensive development environment, to write, debug, and manage your projects. STM32CubeMX, another essential tool, simplifies the configuration of peripherals and generates initialization code automatically.For real-time operating system (RTOS) support, the kit is fully compatible with FreeRTOS. This open-source RTOS allows you to manage tasks, memory, and resources effectively in your applications. FreeRTOS is particularly useful for projects requiring multitasking or real-time performance. By leveraging these tools, you can streamline your workflow and focus on creating innovative solutions.Here’s a quick overview of the software tools:ToolPurposeSTM32CubeIDEIntegrated development environment for codingSTM32CubeMXPeripheral configuration and code generationFreeRTOSReal-time operating system for task managementThese tools work together to provide a cohesive development experience. Whether you’re a beginner or an experienced developer, the software ecosystem ensures you can bring your ideas to life efficiently.Expansion and Connectivity OptionsThe STM32H735G Discovery Kit excels in connectivity and expansion, making it a versatile choice for application development. It includes multiple expansion connectors, such as Arduino Uno V3 and STMod+, which allow you to integrate additional hardware modules. These connectors make it easy to add sensors, communication modules, or other peripherals to your projects.For connectivity, the kit supports Ethernet, USB, and CAN interfaces. These options enable you to create applications that require high-speed data transfer or network communication. The kit also includes a microSD card slot, which provides additional storage for your projects.Key connectivity features include:Ethernet and USB support for seamless data transfer.CAN interface for industrial communication.MicroSD card slot for expandable storage.Arduino Uno V3 and STMod+ connectors for hardware expansion.These features make the STM32H735G Discovery Kit a flexible platform for prototyping and testing. Whether you’re building IoT devices or consumer electronics, the kit’s connectivity options ensure you can adapt it to your specific needs.Note: The combination of expansion connectors and connectivity options makes this kit a powerful tool for rapid prototyping.What Sets the STM32H735 Discovery Kit ApartHigh-Performance STM32H735 MicrocontrollerThe STM32H735 microcontroller is the heart of the STM32H735 discovery kit. It features an Arm? Cortex?-M7 core, which delivers exceptional computing power. This microcontroller operates at speeds up to 550 MHz, making it ideal for applications that require high performance. You can rely on its processing capabilities to handle complex tasks, such as real-time data analysis or advanced signal processing.Energy efficiency is another standout feature of the STM32H735. Its integrated switched-mode power supply (SMPS) optimizes power consumption, ensuring your applications run efficiently. This design also supports extended-temperature operation, reaching up to 125°C. If you're working on industrial systems, this thermal performance ensures reliability even in demanding environments.Tip: The STM32H735 microcontroller combines speed and efficiency, making it suitable for both consumer and industrial applications.Advanced Graphics and Display CapabilitiesThe STM32H735 discovery kit includes a vibrant 4.3-inch TFT-LCD touchscreen display with capacitive touch support. This display allows you to create interactive user interfaces that enhance the user experience. Whether you're designing dashboards for industrial systems or controls for consumer electronics, the display provides a clear and responsive platform.The STM32H735 microcontroller further enhances graphics performance. It features a Chrom-ART Accelerator? that speeds up graphical rendering. This hardware capability reduces the load on the microcontroller, enabling smoother animations and faster updates. You can use this feature to create visually appealing applications without compromising performance.The combination of advanced graphics and display capabilities makes the STM32H735 discovery kit a powerful tool for developers. You can prototype applications that require high-quality visuals, such as smart home devices or medical equipment interfaces.Affordable and Versatile DesignThe STM32H735 discovery kit offers an impressive balance between cost and functionality. Priced at approximately $100, it provides access to a high-performance microcontroller, ample memory, and a comprehensive software package. This affordability makes it accessible to developers at all levels, from hobbyists to professionals.FeatureDescriptionMicrocontrollerArm? Cortex?-M7 core-based STM32H735IGK6UFlash Memory1 MbyteSRAM564 KbytesSoftware PackageSTM32CubeH7 MCU Package with comprehensive software HAL library and examplesPriceApproximately $100 (including tariffs)The versatile design of the STM32H735 discovery kit supports a wide range of applications. Its expansion connectors, such as Arduino Uno V3 and STMod+, allow you to integrate additional hardware modules. You can prototype IoT devices, industrial systems, or consumer electronics with ease.Note: The STM32H735 discovery kit combines affordability and versatility, making it a valuable tool for developers seeking cost-effective solutions.Applications and Use Cases of the STM32H735G-DKIndustrial and Automation SystemsThe STM32H735G-DK serves as a reliable platform for industrial and automation systems. Its high-performance STM32H735 microcontroller handles complex tasks like real-time data processing and control. You can use its advanced peripherals, such as ADCs and DACs, to interface with sensors and actuators in industrial environments. The kit’s extended temperature range ensures stable operation in harsh conditions, making it suitable for factory automation, robotics, and process control.The built-in Ethernet and CAN FD interfaces enhance communication between devices. These features allow you to create robust networks for industrial applications. For example, you can design systems that monitor and control machinery remotely. The STM32H735G-DK simplifies prototyping for these systems, helping you bring your ideas to life faster.IoT and Smart Device PrototypingThe STM32H735G-DK excels in IoT and smart device prototyping. Its rich connectivity options and integrated security features make it ideal for developing connected devices. You can use the USB OTG FS and Ethernet interfaces to enable seamless data transfer and network communication. The CAN FD interface supports reliable communication in automotive and industrial IoT applications.Here’s a quick overview of the connectivity features:FeatureDescriptionUSB OTG FSEnables connection to USB devices for data transfer and communication.EthernetProvides network connectivity for IoT applications.CAN FDSupports communication in automotive and industrial applications.Integrated SecurityEnhances reliability for secure data processing in IoT applications.Peripheral SupportIncludes various interfaces like microSD?, USART, and audio DAC for flexibility in prototyping.These features allow you to prototype smart devices, such as home automation systems or wearable technology, with ease. The STM32H735G-DK provides the tools you need to create secure and reliable IoT solutions.Consumer Electronics DevelopmentThe STM32H735G-DK offers a comprehensive platform for consumer electronics development. Its high-performance microcontroller and advanced graphics capabilities enable you to design devices with rich user interfaces. You can create applications like smart appliances, entertainment systems, or handheld devices that require smooth animations and responsive touch controls.This kit balances memory and processing speed, making it suitable for applications that demand significant computational power. It supports predictive maintenance and enhanced security, which are essential for modern consumer electronics. Compared to other models, the STM32H735G-DK provides a cost-effective solution for testing and prototyping new designs.The STM32H735G-DK supports the STM32H7 series, which includes features for richer user interfaces and predictive maintenance.Its balance of memory and processing speed ensures smooth performance for computationally intensive tasks.The kit’s affordability and versatility make it accessible for both hobbyists and professionals.With the STM32H735G-DK, you can bring innovative consumer electronics to market faster and more efficiently.The STM32H735G-DK Discovery Kit combines high performance, versatility, and affordability, making it an essential tool for embedded system development. It houses everything you need to test the STM32H7 series, simplifying application evaluation and prototyping.Key highlights include:Comprehensive features that support diverse development needs.Easy integration with a wide range of peripherals.A robust platform for creating innovative solutions.This kit empowers you to explore industrial systems, IoT devices, and consumer electronics with confidence. Its design ensures you can focus on innovation while leveraging a powerful and reliable development platform.FAQWhat makes the STM32H735G-DK suitable for beginners?The STM32H735G-DK provides a ready-to-use platform with pre-integrated hardware and software. You can start prototyping without additional tools. Its user-friendly development tools, like STM32CubeIDE, simplify coding and debugging, making it accessible even if you're new to embedded systems.Can I use the STM32H735G-DK for IoT projects?Yes, the kit supports IoT development with features like Ethernet, USB, and CAN interfaces. You can connect sensors and communication modules easily. Its integrated security features ensure reliable data processing, making it ideal for smart devices and connected applications.Does the STM32H735G-DK support real-time applications?Absolutely! The STM32H735 microcontroller includes an Arm? Cortex?-M7 core, which delivers high-speed performance. It also supports FreeRTOS, enabling you to manage tasks and resources effectively. This makes it perfect for real-time data processing and control systems.How does the STM32H735G-DK handle graphics-intensive applications?The kit includes a 4.3-inch TFT-LCD touchscreen and a Chrom-ART Accelerator?. These features enhance graphical rendering and reduce the microcontroller's workload. You can create smooth animations and responsive user interfaces for applications like dashboards or smart appliances.Is the STM32H735G-DK cost-effective for prototyping?Yes, the kit offers high performance at an affordable price of around $100. It includes a powerful microcontroller, ample memory, and versatile connectivity options. This makes it a budget-friendly choice for developers at all levels.Tip: Use the STM32H735G-DK to prototype quickly and efficiently without breaking the bank.

Catalog Description Board Block Diagram Encryption Key Backup Circuit Features Datasheet Specifications Manufacturer Using Warning FAQ Description The ZC702 evaluation board for the XC7Z020 SoC provides a hardware environment for developing atnd evaluating designs targeting the Zynq® XC7Z020-1CLG484C device. The ZC702 board provides features common to many embedded processing systems, including DDR3 component memory, a tri-mode Ethernet PHY, general purpose I/O, and two UART interfaces. Other features can be supported using VITA-57 FPGA mezzanine cards (FMC) attached to either of two low pin count (LPC) FMC connectors.   Board Block Diagram   Figure: Board Block Diagram   Encryption Key Backup Circuit The XC7Z020 SoC U1 implements bitstream encryption key technology. The ZC702 board provides the encryption key backup battery circuit shown in the figure below.     Figure : Encryption Key Backup Circuit The Seiko TS518FE rechargeable 1.5V lithium button-type battery B1 is soldered to the board with the positive output connected to the XC7Z020 SoC U1 VCCBATT pin G9. The battery supply current IBATT specification is 150 nA maximum when board power is off. B1 is charged from the VCCAUX 1.8V rail through a series diode with a typical forward voltage drop of 0.38V and 4.7 KΩ current limit resistor. The nominal charging voltage is 1.42V.   Features Zynq XC7Z020-1CLG484C device1 GB DDR3 component memory (four 256 Mb x 8 devices)128 Mb Quad SPI flash memoryUSB 2.0 ULPI (UTMI+ low pin interface) transceiverSecure Digital (SD) connectorUSB JTAG interface using a Digilent moduleClock sources:          - Fixed 200 MHz LVDS oscillator (differential)          - I2C programmable LVDS oscillator (differential)          - Fixed 33.33 MHz LVCMOS oscillator (single-ended) Ethernet PHY RGMII interface with RJ-45 connectorUSB-to-UART bridgeHDMI codecI2C busI2C bus multiplexed to:          - Si570 user clock          - ADV7511 HDMI codec          - M24C08 EEPROM (1 kB)          - 1-To-16 TCA6416APWR port expander          - RTC-8564JE real time clock          - FMC1 LPC connector          - FMC2 LPC connector          - PMBUS data/clock Status LEDs:          - Ethernet status          - Power good          - FPGA INIT          - FPGA DONE User I/O:          - Two programmable logic (PL) user pushbuttons          - PL user DIP switch (2-pole)          - Eight PL user LEDs          - Two processing system (PS) pushbuttons shared with PS 2-pole DIP switch          - Two PS user LEDs          - Dual row Pmod GPIO header          - Single row Pmod GPIO header SoC PS Reset Pushbuttons:          - SRST_B PS reset button          - POR_B PS reset button   Datasheet You can download the datasheet from the link given below: EK-Z7-ZC702-G-Datasheet   Specifications Manufacturer:XilinxProduct Category:Programmable Logic IC Development ToolsProduct:Evaluation KitsType:FPGATool Is For Evaluation Of:XC7Z020-1CLG484CBrand:XilinxFor Use With:Zynq-7000Interface Type:I2C, JTAG, UART, USBProduct Type:Programmable Logic IC Development ToolsFactory Pack Quantity:1Subcategory:Development ToolsTradename:ZynqUnit Weight:5.765 lbs   Manufacturer Xilinx, Inc. is an American technology company that is primarily a supplier of programmable logic devices. The company invented the field-programmable gate array (FPGA). It is the semiconductor company that created the first fabless manufacturing model.   Using Warning Note: Please check their parameters and pin configuration before replacing them in your circuit.   FAQ What does an evaluation board do? The evaluation board is used to determine if a semiconductor component is a good or the best fit for an application. The development board is the production version of the evaluation board with all pertinent components and connectors included.   What kind of system is an evaluation board? An evaluation board is (generally) a basic system built around some specific part, along with all the other stuff you need to get that part to work. Sometimes you'll find one built around a technique, rather than a part.   How often is a board of directors evaluated? Evaluation methodology. In most companies globally, Board evaluation is an annual exercise by choice or by regulatory prescription. The evaluation methodology and the process have some degree of flexibility and international variance as well.