As an AI language model, I can provide a hypothetical description of the technical parameters for the EM-S520 embedded system by LeTend Technology based on typical specifications for such systems, but without access to the specific product information, the following is a general representation: Title: LeTend Technology EM-S520 Embedded System Technical Specifications Content Description: The LeTend Technology EM-S520 Embedded System is a high-performance and versatile platform designed for various industrial and consumer applications. It features the following key technical parameters: 1. Processor: - CPU: Advanced single/dual-core Arm Cortex-A or RISC-V microprocessor - Clock speed: Up to 1.5 GHz (customizable) - Core architecture: Energy-efficient with low power consumption 2. Memory: - RAM: DDR4 SDRAM, up to 8 GB (expandable up to 16 GB) - Flash memory: eMMC/SD/MMC, up to 512 GB (configurable) - Non-volatile storage: NVRAM, 32-256 KB (for settings and data retention) 3. Connectivity: - Ethernet: 10/100/1000 Mbps Ethernet (RJ45) with PoE support (optional) - Wi-Fi: 802.11 b/g/n/ac (dual-band), Bluetooth 5.0 (LE) - Cellular: 4G/LTE Cat. X or NB-IoT (depending on module availability) - USB: 2x USB Type-C, 1-2x USB Type-A for host/device communication 4. Peripherals: - GPIOs: A generous number of digital input/output pins, configurable as I/O or interrupt-capable - ADC/DAC: High-resolution 12-bit ADC and 10-bit DAC channels - LCD interface: HDMI or MIPI-DSI for supporting displays up to 4K resolution - Audio: Stereo audio codec with I2S interface 5. Expansion capabilities: - PCIe or eXtensible I/O (eXIO) expansion slots for additional modules like PMUs, sensors, or other custom hardware - CAN/CAN-FD, LIN, FlexRay, or other automotive bus interfaces 6. Operating Systems & Software: - Preloaded Linux (Ubuntu, Debian, or others) with support for real-time OS (RTOS) options - SDK: Comprehensive software development kit (SDK) including drivers, APIs, and examples for easy application development 7. Power Management & Environment: - Low-power modes for battery-operated devices (standby, deep sleep, etc.) - Thermal management design for reliable operation in varying temperatures - Overcurrent and overvoltage protection Please note that these are generic parameters and may vary depending on the exact model and configuration offered by LeTend Technology for the EM-S520 embedded system. For detailed and accurate specifications, consult the official product datasheet from LeTend Technology.