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CH341T

Name: CH341T
Rating: 4.7 (12 reviews)

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Mfr。パート #CH341T
パッケージ
データシート CH341T DataSheet
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仕様

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

概要

Description

The CH341T is a versatile USB to serial and parallel interface chip commonly used in electronics for programming and interfacing with various microcontrollers, EEPROMs, and other devices. It supports multiple communication protocols, including UART, I2C, and SPI, making it popular in embedded systems and development applications.
This chip is often found in low-cost programming tools and adapters, simplifying the process of flashing firmware onto microcontrollers or reading/writing data from EEPROMs. It features a simple USB interface, allowing easy connection to a PC without additional components. The CH341T can operate at various baud rates, making it suitable for a range of applications.
Additionally, it is supported by various software tools, enabling users to interact with connected devices effectively. Overall, the CH341T is valued for its affordability, ease of use, and broad compatibility, making it a popular choice among hobbyists and professionals in the electronics community.

Features

The CH341T is a versatile USB to serial/UART bridge and programmer. Key features include:
1. USB Interface: Supports USB 2.0, allowing easy connection to PC or embedded systems.
2. UART Support: Compatible with various baud rates, making it suitable for serial communication with microcontrollers and other devices.
3. EEPROM Programming: Can program SPI EEPROMs, notably 25xx series, making it useful for firmware updates and recovery.
4. Flash Memory Support: Capable of programming various flash memory chips, enhancing its utility in embedded system development.
5. Driver Support: Compatible with multiple operating systems, including Windows, Linux, and macOS.
6. Multi-Functional: Can serve as a USB to parallel interface as well as GPIO for diverse applications.
7. Low Power Consumption: Designed for efficient operation, suitable for portable applications.
Overall, the CH341T is a compact and cost-effective solution for developers needing USB interfacing and programming capabilities.

Package

The CH341T is typically available in a SOP-16 (Small Outline Package) format. It is a surface-mount device designed for various USB to serial applications, often used in programming and communication tasks.

Pinout

The CH341T is a USB to serial and parallel interface chip commonly used for programming EEPROMs and handling UART communication. It typically comes in a 20-pin package.
Pin Count and Functions:
1. VCC (Pin 1): Power supply (3.3V or 5V).
2. GND (Pin 2): Ground.
3. D0-D7 (Pins 3-10): Data lines for parallel interface.
4. ALE (Pin 11): Address latch enable.
5. WR (Pin 12): Write control for parallel data.
6. RD (Pin 13): Read control for parallel data.
7. CS (Pin 14): Chip select for device activation.
8. TXD (Pin 15): Transmit data for UART.
9. RXD (Pin 16): Receive data for UART.
10. DTR (Pin 17): Data terminal ready.
11. DSR (Pin 18): Data set ready.
12. CTS (Pin 19): Clear to send.
13. RTS (Pin 20): Request to send.
This chip is versatile for various applications, including firmware updates and data logging.

Manufacturer

The CH341T is manufactured by WCH (Nanjing WCH Electronics Co., Ltd.), a Chinese company specializing in the design and production of integrated circuits. Established in 2000, WCH focuses on developing USB and serial communication chips, as well as other semiconductor products. The CH341T is a popular chip used for USB to serial communication, often found in various electronics and programming applications. WCH is recognized for its cost-effective solutions in the semiconductor industry and caters to both consumer and industrial markets.

Application

The CH341T is a USB to serial and parallel interface converter commonly used in various applications including:
1. Data Communication - Connecting microcontrollers and devices to PCs.
2. Programming - Flashing BIOS, EEPROMs, and microcontrollers.
3. Industrial Automation - Interfacing with sensors and automation equipment.
4. Embedded Systems - Facilitating communication in embedded projects.
5. Firmware Development - Assisting in the debugging and development process.
Its versatility makes it popular in hobbyist and professional electronics.

Equivalent

Equivalent products to the CH341T chip include the CH341A, WCH341, and FTDI FT232RL. These chips serve similar functions for USB to serial communication and device programming. Additionally, the CP2102 from Silicon Labs and the FTDI FT231X series can be considered alternatives, depending on specific use cases and compatibility requirements.