CH341T

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CH341T

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  • HerstellerWCH(Jiangsu Qin Heng)

  • Herstellerteil #CH341T

  • Datenblatt CH341T DataSheet

  • Auf Lager16708

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Attribut Wert
Manufacturer WCH(Jiangsu Qin Heng)
Package / Case SSOP-20-208mil
Operating Temperature -20℃~+70℃
Voltage - Supply 3.3V
Applications Function USB to UART
Protocol USB 2.0
Data Rate 2Mbps

Übersicht

Description

The CH341T is a versatile USB to serial interface chip used to convert USB signals to various serial communication protocols like UART, I2C, and SPI. It is part of the CH34x family of chips developed by WCH (Nanjing Qinheng Microelectronics). The CH341T offers an integrated approach to enable communication between USB-enabled devices and microcontrollers or other peripherals that utilize serial communication.
Key features of the CH341T include support for common baud rates in UART mode, and capability for multi-master configurations in I2C, as well as various SPI clock modes. The chip is often used in embedded systems, prototyping, and debugging due to its flexibility and simplicity in interfacing USB with serial protocols. It supports a wide operating voltage range and can be easily integrated with minimal external components.
Software drivers are typically available for major operating systems like Windows, Linux, and macOS, facilitating ease of use in software development environments. The CH341T is ideal for developers looking to add USB connectivity to their projects with minimal complexity.

Equivalent

The CH341T chip is a USB to serial interface converter. Equivalent products include the FTDI FT232RL, Silicon Labs CP2102, Prolific PL2303, and the MCP2221 from Microchip. These chips perform similar functions, offering USB to serial communication capabilities for connecting devices like microcontrollers to PCs via USB. Each has its own unique features and support, so choosing the right one may depend on specific project requirements.

Features

The CH341T is a USB to serial interface chip designed for converting USB signals to UART signals, facilitating communication between computers and various peripherals. Key features include:
1. USB Compatibility: Supports full-speed USB 2.0 interface, compatible with USB 1.1.
2. UART Interface: Provides a standard UART interface with configurable baud rates, data bits, stop bits, and parity bits.
3. Multiple Baud Rates: Supports baud rates ranging from 50bps to 2Mbps.
4. Flow Control: Hardware flow control options include RTS/CTS and XON/XOFF.
5. Driver Support: Offers support for various operating systems, including Windows, Linux, and macOS.
6. Low Power Consumption: Designed for low power usage, suitable for battery-operated devices.
7. Small Package: Available in compact packages, making it suitable for space-constrained applications.
8. Versatility: Can be used for RS232, RS485, and various microcontroller communications.
These features make the CH341T a versatile and efficient solution for enabling USB connectivity in a wide range of electronic devices.

Pinout

The CH341T is a USB to serial interface chip commonly used for connecting microcontrollers to a USB host. It typically comes in a 16-pin SOP (Small Outline Package). Below is a concise summary of its pin count and functions:
1. Pin Count: 16 pins
2. Pin Functions:
- VCC: Power supply pin, typically 5V.
- GND: Ground.
- D+ and D-: USB data lines for USB communication.
- XT1 and XT2: Connected to an external crystal oscillator for clock generation.
- RXD: Serial receive data input.
- TXD: Serial transmit data output.
- RTS: Request to Send, control signal used for flow control.
- CTS: Clear to Send, control signal used for flow control.
- DSR: Data Set Ready, used for handshaking.
- DTR: Data Terminal Ready, used for handshaking.
- RI: Ring Indicator, used to signal an incoming call.
- DCD: Data Carrier Detect, used to sense a carrier on the line.
- V3: Internal 3.3V LDO output.
This configuration allows the CH341T to function effectively as a bridge between USB and serial interfaces for data communication tasks.

Manufacturer

The CH341T is manufactured by Jiangsu Qin Heng Ltd., also known as WCH (Nanjing Qinheng Microelectronics Co., Ltd.). WCH is a Chinese company that specializes in the design and production of integrated circuits, particularly focusing on USB bridge chips, serial communication interfaces, microcontrollers, and related technologies. The company is well-known for producing versatile and cost-effective solutions for connecting USB to various serial interfaces, and their products are widely used in consumer electronics, industrial automation, and other technology applications.

Application

The CH341T is a USB-to-serial adaptor chip commonly used for interfacing between USB and various serial communication protocols such as UART, I2C, and SPI. Its application areas include:
1. Embedded Systems: Facilitates communication between microcontrollers and computers for debugging and programming.
2. Development Boards: Used in Arduino and Raspberry Pi projects for serial communication and USB connectivity.
3. Peripheral Devices: Interfaces with modems, sensors, and other serial devices through USB.
4. Industrial Automation: Enables communication between industrial equipment and control systems.
5. Data Acquisition: Connects data acquisition devices to computers for data transfer and analysis.
Overall, the CH341T is valued for its versatility in bridging USB and serial interfaces in various electronic applications.

Package

The CH341T is a USB to serial chip typically packaged in a SOP-16 (Small Outline Package, 16 pins) format. This package type is compact, making it suitable for integration into various electronic devices and projects requiring USB to serial communication.

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