Product Introduction
Caratar’s TTL-232R-3V3-WE/TTL-232R-5V-WE USB to TTL Serial Adapter Cable is designed for seamless communication between USB devices and TTL-based systems. Featuring the FTDI FT232RL chip, this adapter supports reliable data transfer rates and is ideal for industrial control, microcontroller interfacing, and more. The product ensures compatibility with various operating systems like Windows, Linux, and macOS. Whether for debugging or programming, this cable is a versatile solution.
Specifications
| Parameter | Value |
| Product Type | USB to TTL Serial Adapter Cable |
| Chipset | FTDI FT232RL |
| Connector Type | USB Type A (Male) to Wire Ended |
| Cable Length | 6 feet (1.83 meters) |
| Supported Logic Levels | 3.3V or 5V TTL UART signals |
| Data Transfer Rate | 300 bps to 3 Mbps |
| USB Speed | Full Speed (12 Mbps) |
| I/O Voltage | 3.3V (TTL) or 5V (TTL) |
| USB Class | FTDI Drivers |
| Virtual Com Port | Yes |
| Max Power Output | +5V / 75mA |
| FTDI Internal IC | FT232RL |
| End Connector | Wire Ended (no connector) |
| Operating Temperature | 0°C to 70°C (for your product) or -40°C to +85°C (for the competitor) |
| Cable Details | 6 core, 5mm UL2464 24 AWG |
| Compatibility | Windows 11/10/8/7/Vista/XP, Mac OS, Linux |
| Certifications | RoHS, FCC, CE, UKCA |
| Channels | 1 |
| Applications | Industrial control, microcontroller interfacing, firmware flashing, GPS, etc. |



Product Part Numbers and Descriptions
Part Number | Description | End Connector* | Cable details |
TTL-232R-5V | USB to UART cable with +5V TTL level UART signals. | 6 pin SIL, 0.1” pitch | 6 core, 26AWG, diam=5mm |
TTL-232R-3V3 | USB to UART cable with +3.3V TTL level UART signals | 6 pin SIL, 0.1” pitch | 6 core, 26AWG, diam=5mm |
TTL-232R-5V-WE | USB to UART cable with +5V TTL level UART signals. | Wire Ended (no connector) | 6 core, 26AWG, diam=5mm |
TTL-232R-3V3-WE | USB to UART cable with +3.3V TTL level UART signals | Wire Ended (no connector) | 6 core, 26AWG, diam=5mm |
TTL-232R-5V-AJ | USB to UART cable with +5V TTL level UART signals. | 3.5mm Audio Jack | 2 core and spiral, 26 AWG,diam=4mm |
TTL-232R-3V3-AJ | USB to UART cable with +3.3V TTL level UART signals | 3.5mm Audio Jack | 2 core and spiral, 26 AWG,diam=4mm |
TTL-232R-3V3-2mm | USB to UART cable with +3.3V TTL level UART signals | 8 way, keyed, 2mm connector for use with FTDI VDRIVE2 or VMUSIC2 modules | 7 core,26 AWG, diam=5mm |
NOTE: If any installation or usage issues, please email us or you may download a driver and usage guide on FTDI official website.
Features & Benefits
FTDI Chipset Integration
The FTDI FT232RL chipset ensures high-quality, reliable communication with low latency, enhancing the stability of your serial communication systems.
Wide Compatibility
Supports a variety of operating systems, including Windows, Linux, and Mac OS, making it adaptable to numerous use cases across different platforms.
Data Transfer Rate Flexibility
Capable of handling baud rates from 300 bps to 3 Mbps, it meets the demands of both low-speed and high-speed data transmission, offering flexibility for diverse applications.
Versatile Applications
The 6-pin header design supports both 5V and 3.3V TTL level UART signals, allowing for compatibility with different devices, including microcontrollers, GPS, routers, and more.
Plug-and-Play Functionality
No additional drivers required for installation, providing easy integration and use right out of the box, making it ideal for quick setups and time-sensitive projects.
Applications
Industrial Control Systems: Enables seamless communication between industrial devices and computers for controlling automation processes.
Microcontroller Interfacing: Perfect for connecting microcontrollers and other embedded devices to a PC via USB for programming or debugging.
GPS and Networking: Commonly used in GPS systems and networking devices that require reliable serial communication.
Firmware Updates: Ideal for flashing firmware in routers, set-top boxes, or any devices that need software updates via a serial connection.
FAQs
Q: Is this product compatible with my operating system?
A: Yes, this USB to TTL adapter is compatible with Windows (XP, 7, 8, 10, 11), Mac OS, and Linux.
Q: Can I use this adapter to connect to 3.3V and 5V logic level devices?
A: Yes, the TTL-232R adapter supports both 3.3V and 5V TTL level UART signals, making it versatile for different devices.
Q: Do I need any special software or drivers to use this adapter?
A: No, this adapter works with plug-and-play functionality, and it does not require additional software or drivers for installation.
Q: What is the maximum data transfer rate of the TTL-232R adapter?
A: The adapter supports data transfer rates ranging from 300 bps to 3 Mbps, suitable for various applications requiring reliable data communication.
Q: What is the length of the cable?
A: The cable length is 6 feet, providing ample length for connecting devices over a short distance.