Description
The MCU-341 USB Bus Adapter Chip (CH341 series) is a versatile USB interface solution designed to convert USB connections into multiple communication interfaces. It supports asynchronous serial ports, printer ports, parallel (wellhead) interfaces, and commonly used 2-wire and 4-wire synchronous serial communication.
This chip is widely used for upgrading legacy serial/parallel devices to USB, enabling seamless integration with modern computers and systems while maintaining stable and efficient data transmission.
Key Features
- Converts USB to asynchronous serial communication interface
- Supports USB printer port functionality (USB printing standard compatible)
- Provides parallel (EPP/MEM) 8-bit wellhead interface for direct data I/O
- Supports 2-wire synchronous interface (SCL, SDA)
- Supports 4-wire synchronous serial interface (CS, SCK/CLK, MOSI/MISO/DIN/DOUT)
- Enables upgrade of traditional serial and parallel devices to USB connectivity
- Includes control and handshake signals for reliable serial communication
- Compatible with common operating systems (including Windows environments)
- Cost-effective solution for embedded systems and hardware upgrades
Specification
- Chip Series: CH341 / MCU-341
- Interface Type: USB to Serial / Parallel / Synchronous interfaces
- Serial Mode: Asynchronous UART communication support
- Parallel Mode: 8-bit EPP/MEM compatible interface
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Synchronous Modes:
- 2-wire interface (SCL, SDA)
- 4-wire interface (CS, SCK/CLK, MOSI/MISO/DIN/DOUT)
- Printer Support: USB standard printer interface compatibility
- Signal Support: Serial TX enable, RX ready, and control handshake signals
- Functionality: Multi-interface USB bridging controller
Application
- USB-to-Serial converter cables and modules
- Printer interface upgrade solutions (legacy to USB conversion)
- Embedded system development and debugging tools
- Industrial equipment communication upgrades
- Microcontroller and MCU-based project interfacing
- Data acquisition and control systems
- USB communication expansion for PCs and embedded devices
- Hardware prototyping and electronics development
Datasheet
For detailed technical information, please refer to the CH341 Datasheet.