CH340E

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CH340E

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  • Ông. Phần #CH340E
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  • Bảng dữ liệu CH340E DataSheet
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Thông số kỹ thuật

Manufacturer WCH(Jiangsu Qin Heng)
Package MSOP-10
Voltage - Supply 3.3V
Applications Function Transceiver
Protocol USB 2.0
Data Rate 2Mbps

Tổng quan

Description

The CH340E is a USB to serial converter chip commonly used to facilitate communication between USB-enabled devices and microcontrollers or embedded systems. It is produced by WCH (Nanjing WCH Wang Chuan Technology Co., Ltd.) and serves as a bridge for converting USB signals to TTL (Transistor-Transistor Logic) serial signals, enabling easy data transfer.
The CH340E is popular in various applications, including Arduino-compatible boards and other DIY electronics projects, due to its low cost, ease of use, and minimal external component requirements. It supports various baud rates and is compatible with Windows, macOS, and Linux operating systems, often requiring a driver installation for proper functionality.
Key features of the CH340E include:
- Simple interface with minimal external components
- Support for 5V and 3.3V logic levels
- Built-in voltage regulator
- Low power consumption
Overall, the CH340E is a reliable and efficient solution for developers seeking to implement USB connectivity in their electronic designs.

Features

The CH340E is a USB-to-serial converter chip used for interfacing USB devices with microcontrollers and other UART devices. Key features include:
1. USB 2.0 Compatibility: Supports full-speed USB 2.0 communication.
2. UART Interface: Provides a standard asynchronous serial communication interface with configurable baud rates up to 2 Mbps.
3. Driver Support: Compatible with multiple operating systems, including Windows, macOS, and Linux, with readily available drivers.
4. Low Power Consumption: Operates efficiently with minimal power requirements.
5. Integrated Voltage Regulator: Includes an internal voltage regulator, allowing for a wider range of operating voltages (typically 3.3V to 5V).
6. Small Package Size: Available in compact packages, making it suitable for space-constrained applications.
7. Easy Integration: Simple connection with minimal external components required for operation.
The CH340E is commonly used in Arduino boards and other DIY electronics projects for easy USB communication.

Package

The CH340E is typically available in a 16-pin SOP (Small Outline Package) configuration. It is commonly used in USB-to-serial converter applications, allowing for easy integration into electronic projects.

Pinout

The CH340E is a USB to serial converter chip commonly used in electronic devices for USB communication. It typically comes in a 16-pin package, with specific pin functions as follows:
1. VCC (Pin 1): Power supply (3.3V or 5V).
2. GND (Pin 2): Ground connection.
3. TXD (Pin 3): Transmit data output to the microcontroller.
4. RXD (Pin 4): Receive data input from the microcontroller.
5. DTR (Pin 5): Data Terminal Ready, used for controlling the reset of the connected microcontroller.
6. RTS (Pin 6): Request to Send, for flow control.
7. CTS (Pin 7): Clear to Send, for flow control.
8. DSR (Pin 8): Data Set Ready, indicates that the device is ready for communication.
9-16. Additional pins (such as 9-16): May include unused or reserved functions, or alternative configuration options.
The CH340E is widely appreciated for its simplicity and cost-effectiveness in USB to UART applications.

Manufacturer

The CH340E is manufactured by WCH (Nanjing WCH Computer Technology Co., Ltd.), a Chinese electronics company. WCH specializes in developing USB communication chips, particularly for serial communication applications. The company is known for producing cost-effective and reliable integrated circuits (ICs) that facilitate USB connectivity for various devices, including microcontrollers and other embedded systems. Their products are widely used in both consumer electronics and industrial applications, making WCH a prominent player in the USB IC market.

Application

The CH340E is primarily used as a USB to serial converter in various applications, including Arduino boards, USB-enabled devices, industrial equipment, and communication interfaces for embedded systems. It facilitates data transfer between USB ports and UART devices, making it suitable for prototyping, data logging, and connecting peripherals like sensors and displays. Its compact design is ideal for consumer electronics, automotive applications, and IoT devices.

Equivalent

Equivalent products to the CH340E chip include the FTDI FT232RL, Silicon Labs CP2102, and the Prolific PL2303. These chips serve similar functions for USB-to-serial communication and are commonly used in various applications such as Arduino and other microcontroller projects. Always check for specific compatibility requirements in your application.

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