98 lines
2.7 KiB
Markdown
98 lines
2.7 KiB
Markdown
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---
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created: 2025-07-27
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tags: [research, tech-specs, RP2040, microcontroller, ethernet]
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source: https://www.waveshare.com/wiki/RP2040-ETH
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domains: [embedded-systems, networking, iot]
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---
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# 🔬 WaveShare RP2040-ETH Technical Specifications
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## 📋 Overview
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The RP2040-ETH is a microcontroller board combining the Raspberry Pi RP2040 chip with integrated Ethernet capabilities via the CH9120 TCP/IP module.
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## ⚙️ Core Specifications
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### Microcontroller
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- **Chip**: RP2040
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- **Processor**: Dual-core Arm Cortex M0+
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- **Clock Speed**: Up to 133 MHz (flexible)
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- **Memory**:
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- 264KB SRAM
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- 4MB onboard Flash
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- **Temperature Sensor**: Built-in
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### Networking
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- **Ethernet Controller**: CH9120 with integrated TCP/IP stack
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- **Network Modes**:
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- TCP Server
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- TCP Client
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- UDP Server
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- UDP Client
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- **Configuration**: Configurable IP, port, and mode settings
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## 🔌 I/O and Interfaces
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### GPIO
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- **Count**: 14 multi-function GPIO pins
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- **PWM Channels**: 13
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- **PIO State Machines**: 8 programmable
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### Communication Interfaces
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- **SPI**: 1x
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- **I2C**: 2x
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- **UART**: 2x
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- **USB**: Type-C with drag-and-drop programming
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### Physical Design
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- **Form Factor**: Castellated module design
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- **Integration**: Easy PCB mounting and breadboard use
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## 💻 Development Environment
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### Programming Languages
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- **MicroPython**: Full support
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- **C/C++**: Native development
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- **Arduino IDE**: Compatible
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### Development Tools
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- Raspberry Pi Pico SDK
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- VSCode integration
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- Thonny IDE support
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- Official WaveShare demos and documentation
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### Programming Features
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- USB drag-and-drop programming
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- Multiple development environment options
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- Extensive sample code library
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## 🌐 Use Cases
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- IoT projects requiring network connectivity
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- Embedded web servers
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- Remote monitoring systems
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- Industrial automation with Ethernet
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- Data logging with network transmission
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## 🔗 Connections to Other Research
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*Potential correlations with other interests*
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### Related Technologies
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- Compare with ESP32 Ethernet solutions
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- Raspberry Pi Pico ecosystem
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- Industrial IoT platforms
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- Edge computing applications
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### Questions for Further Investigation
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- How does CH9120 TCP/IP stack compare to other solutions?
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- Power consumption vs. ESP32-based alternatives?
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- Real-world performance in industrial environments?
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- Integration possibilities with existing projects?
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## 📚 Resources
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- **Official Wiki**: https://www.waveshare.com/wiki/RP2040-ETH
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- **Development Tools**: Raspberry Pi Pico SDK
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- **Sample Code**: WaveShare official demos
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---
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**Research Context**: Evaluating for potential networking projects requiring reliable Ethernet connectivity in embedded systems.
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Related: [[04-Research/_Research Hub|Research Hub]] | [[06-Resources/Tools & Methods/Embedded Development]]
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