Description
Product Overview
The CH340 USB to Type-C Serial Programming Cable Module is a modern, high-performance serial communication adapter that bridges the gap between your computer’s USB port and microcontrollers, routers, and embedded systems. This cable-style module features a USB Type-C interface, offering reversible plug orientation and compatibility with the latest computers and devices.
Built around the WCH (Nanjing Qinheng) CH340 chip, this module provides a reliable and cost-effective solution for programming, debugging, and serial communication. The CH340 is a full-speed USB device interface that simulates a standard UART serial port, making it fully compatible with existing serial applications without requiring software modifications.
Unlike traditional USB-to-TTL adapters that require separate cables, this all-in-one cable design integrates the conversion electronics directly into the cable assembly. The Type-C connector supports both data transmission and power delivery, allowing you to program and power target devices through a single connection. With support for baud rates up to 2Mbps and built-in clock generation (no external crystal required on many variants), the CH340 provides a stable, driver-friendly solution for embedded development.
Key Features
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CH340 Chipset: Based on WCH CH340 USB-to-UART bridge controller, offering excellent stability and broad compatibility
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USB Type-C Connector: Modern reversible connector for easy plug-in orientation; compatible with the latest laptops and devices
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High-Speed Support: Baud rates from 50 bps up to 2 Mbps, suitable for fast firmware uploads and real-time debugging
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Built-in Clock (Select Models): CH340C/N/K/E/X/B variants integrate an internal clock, eliminating the need for an external crystal oscillator
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Wide Voltage Compatibility: Supports both 5V and 3.3V logic levels, making it compatible with a broad range of target devices
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Full Modem Signal Support: Provides RTS, DTR, DCD, RI, DSR, and CTS signals for hardware flow control
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Cross-Platform Support: Compatible with Windows (7, 8, 10, 11), macOS, and Linux
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Plug-and-Play with Power: Type-C connection can provide both serial communication and device power through a single cable
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Driver-Friendly: Uses widely-available CH340/CH341 drivers with simple installation process
Technical Specifications
| Parameter | Operating Value |
|---|---|
| Chipset | WCH CH340 series (CH340C/N/E/G) |
| USB Compliance | USB 2.0 Full-Speed |
| Baud Rate Range | 50 bps – 2 Mbps |
| Logic Level | 3.3V / 5V compatible |
| Power Output | Via Type-C VBUS (up to 500mA typical) |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity Options | None, Odd, Even, Mark, Space |
| Flow Control | Hardware (RTS/CTS) and Software (XON/XOFF) |
| Supported OS | Windows 7, 8, 10, 11; macOS; Linux |
| Connector Type | USB Type-C |
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