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USB to UART Bridge - FT232RL
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The FT232RL is a popular USB-to-UART bridge IC from FTDI, featuring a built-in EEPROM and oscillator for minimal external component requirements. It comes in...
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The FT232RL is a popular USB-to-UART bridge IC from FTDI, featuring a built-in EEPROM and oscillator for minimal external component requirements. It comes in a 28-pin SSOP package that can be hand-soldered, making it a versatile choice for adding USB serial communication to custom projects.
Key Features
- Full USB 2.0 Protocol – Complete USB implementation on a single chip
- Built-In Oscillator – No external crystal required
- Internal EEPROM – Stores device ID and product description strings
- Minimal External Components – Only decoupling capacitors needed
- 28-Pin SSOP Package – Hand-solderable surface-mount package
- Cross-Platform Drivers – Royalty-free driver support for Windows, Linux, and macOS
Resources
- FT232R Datasheet (v1.04)
- FTDI Website
- FTDI Drivers
- FTClean Utility – Remove extraneous/old COM ports
Jargon buster
Plain-language definitions for the technical terms used above.
- EEPROM
- A type of non-volatile memory that keeps stored data even when power is turned off. In a sensor module, it can be used to store settings or calibration data so they do not need to be re-entered every time.
- UART
- UART is a simple asynchronous serial interface that sends data over separate transmit and receive wires, usually labelled TX and RX, with both ends set to the same baud rate. It is a common way for microcontrollers and other serial devices to exchange data.
- USB 2.0
- USB 2.0 is a widely used wired standard for carrying both data and power between a device and a computer or other compatible host, with data rates up to 480 Mbps. It indicates the kind of port a device uses and that it should work with most modern and many older computers.
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