The Wio Terminal is a SAMD51-based microcontroller with Wireless Connectivity powered by Realtek RTL8720DN that’s compatible with Arduino and MicroPython. Currently, wireless connectivity is only supported by Arduino. It runs at 120MHz (Boost up to 200MHz), 4MB External Flash and 192KB RAM. It supports both Bluetooth and Wi-Fi providing backbone for IoT projects. This repository contains all the necessary documentation you need to manufacture Wio Terminal: https://github.com/Seeed-Studio/OSHW-WioTerminal

The Wio Terminal is a SAMD51-based microcontroller with Wireless Connectivity powered by Realtek RTL8720DN that’s compatible with Arduino and MicroPython. Currently, wireless connectivity is only supported by Arduino. It runs at 120MHz (Boost up to 200MHz), 4MB External Flash and 192KB RAM. It supports both Bluetooth and Wi-Fi providing backbone for IoT projects.

The Realtek RTS5306E USB3.0 Card Reader controller is based upon Universal Serial Bus 3.0 Specification, which integrates USB 3.0 and USB2.0 Transceivers, MCU #CommonPartsLibrary #IntegratedCircuit

The RTL8152B-VB-CG specification defines the engineering requirements for a USB-to-Ethernet controller integrated circuit designed to provide high-speed network connectivity for embedded systems and computer peripherals. This specification establishes the functional, electrical, mechanical, environmental, and quality requirements necessary to ensure reliable data communication, efficient protocol handling, and long-term operational stability. The device is intended for use in USB Ethernet adapters, embedded networking equipment, industrial control systems, docking stations, communication gateways, and other applications requiring seamless conversion between USB and Ethernet interfaces. It supports stable network connectivity while providing efficient data transfer, low power consumption, and compatibility with standard networking protocols. Engineering Requirements The controller shall be manufactured using qualified semiconductor fabrication processes and high-quality materials to ensure consistent electrical performance, robust communication capability, and long service life. The device shall maintain reliable operation under specified voltage, temperature, and environmental conditions without degradation of functionality. Electrical characteristics shall provide stable USB and Ethernet interface operation, reliable signal integrity, and efficient data transfer under continuous network traffic and varying system loads. The controller shall maintain dependable communication performance during power transitions, initialization, and sustained operation. The integrated communication architecture shall support reliable protocol processing, packet transmission, and network interface management while minimizing latency and maximizing data throughput. The device shall maintain compatibility with standard Ethernet and USB communication requirements within its intended operating environment. Mechanical construction shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. The package shall withstand thermal cycling, vibration, mechanical handling, and environmental exposure without degradation of electrical or mechanical integrity. Workmanship shall be free from defects including contamination, package cracking, bond failures, or structural inconsistencies. Inspection, validation, and testing shall be performed using calibrated equipment and controlled quality procedures to verify compliance with applicable engineering and manufacturing requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process. Documentation Supporting documentation shall include engineering drawings, electrical specifications, communication interface documentation, qualification reports, inspection records, reliability data, material declarations, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before implementation to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #USBtoEthernet #EthernetController #NetworkInterface #Realtek #EmbeddedSystems #IndustrialNetworking #Semiconductor #QualityAssurance #EngineeringDocumentation

The RTL2832U from Realtek Semiconductor Corp. is a high-performance DVB-T COFDM demodulator with USB 2.0 interface support. Designed for a wide range of applications in PC-TV, including USB dongles and MiniCard/USB configurations, the RTL2832U features compatibility with NorDig Unified 1.0.3, D-book 5.0, and EN300 744 (ETSI Specification). It supports 2K or 8K mode with 6, 7, and 8MHz bandwidth and provides automatic detection of modulation parameters such as code rate and guard interval. With a capability to interface with tuners at IF, low-IF, or Zero-IF output, the RTL2832U utilizes a single 28.8MHz crystal for its clock generation, offering high stability for portable reception applications. The embedded ADC (Analog-to-Digital Converter) enables superior signal stability. Realtek's proprietary algorithms enhance channel estimation, co-channel interference rejection, long echo channel reception, and impulse noise cancellation. The RTL2832U component's functionality includes Automatic Gain Control (AGC), Digital Down Conversion (DDC), timing and carrier recovery, as well as PID filtering capabilities. Moreover, it incorporates an infra-red receiver for remote control input, making it highly versatile for modern digital TV reception and streaming solutions. The component is offered in a 48-pin QFN (6x6 mm) green package, marking it as an environmentally friendly choice for hardware engineers looking to design or upgrade digital TV reception devices.

Ethernet ICs RTL8811CU-CG QFN-56_L7.0-W7.0-P0.40-BL-EP5.1 LCSC Part Number: C2687136 JLCPCB Part Class: undefined Manufactured by REALTEK(瑞昱)

RTL8763BF-CG QFN-40_L5.0-W5.0-P0.40-BL-EP3.7 LCSC Part Number: C2879708 JLCPCB Part Class: undefined Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8811CU-CG QFN-56_L7.0-W7.0-P0.40-BL-EP5.1 LCSC Part Number: C2687136 JLCPCB Part Class: undefined Manufactured by REALTEK(瑞昱)

RTL8763BF-CG QFN-40_L5.0-W5.0-P0.40-BL-EP3.7 LCSC Part Number: C2879708 JLCPCB Part Class: undefined Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8211F-CG WQFN-40_L5.0-W5.0-P0.4-BL-EP LCSC Part Number: C187932 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8153B-VB-CG QFN-40_L5.0-W5.0-P0.40-BL-EP3.7 LCSC Part Number: C2802072 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8125BG-CG TQFN-48_L6.0-W6.0-P0.40-BL-EP4.5 LCSC Part Number: C3013605 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8211F-CG WQFN-40_L5.0-W5.0-P0.4-BL-EP LCSC Part Number: C187932 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

4 RGMII QFN-40-EP(5x5) Ethernet Transceivers ROHS RTL8211FI-CG QFN-40_L5.0-W5.0-P0.40-BL-EP3.7 LCSC Part Number: C717681 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

5 QFN-48-EP(6x6) Ethernet Transceivers ROHS RTL8305NB-VB-CG QFN-48_L6.0-W6.0-P0.40-TL-EP4.4 LCSC Part Number: C3010343 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8111H-CG QFN-32_L4.0-W4.0-P0.40-TL-EP2.8 LCSC Part Number: C2761340 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8370N-VB-CG LQFP-128_L20.0-W14.0-P0.50-BL-EP7.0 LCSC Part Number: C2803243 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

QFN-48 Ethernet Transceivers ROHS RTL8211FSI-CG VQFN-48_L6.0-W6.0-P0.40-TL-EP4.4 LCSC Part Number: C2904132 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

RF Transceiver ICs RTL8723DS-CG WQFN-48_L6.0-W6.0-P0.40-BL-EP4.2 LCSC Part Number: C2762334 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8201FI-VC-CG QFN-32_L5.0-W5.0-P0.50-BL-EP3.4 LCSC Part Number: C2763557 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8213B-CG QFN-40_L5.0-W5.0-P0.40-BL-EP3.7 LCSC Part Number: C2766076 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8367N-VB-CG QFN-88_L10.0-W10.0-P0.40-BL-EP6.75 LCSC Part Number: C2760851 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8370N-VB-CG LQFP-128_L20.0-W14.0-P0.50-BL-EP7.0 LCSC Part Number: C2803243 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

RF Transceiver ICs RTL8188FTV-VC-CG QFN-24_L4.0-W4.0-P0.50-TL-EP2.1 LCSC Part Number: C2760855 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)

Ethernet ICs RTL8367N-VB-CG QFN-88_L10.0-W10.0-P0.40-BL-EP6.75 LCSC Part Number: C2760851 JLCPCB Part Class: Extended Part Manufactured by REALTEK(瑞昱)