FT232RL-REEL

Product Overview

Category

The FT232RL-REEL belongs to the category of USB-to-serial interface integrated circuits.

Use

It is primarily used for converting USB signals to serial UART (Universal Asynchronous Receiver/Transmitter) signals, enabling communication between a computer and various external devices.

Characteristics

• USB 2.0 compliant
• Supports full-speed USB transfer rates (12 Mbps)
• Integrated USB transceiver and serial UART interface
• Single chip solution for USB to asynchronous serial data transfer
• Supports multiple interfaces: UART, FIFO, Bit-Bang, and GPIO
• Low power consumption
• Compact form factor

Package

The FT232RL-REEL is available in a small outline IC (Integrated Circuit) package.

Essence

The essence of the FT232RL-REEL lies in its ability to bridge the gap between USB and serial communication protocols, facilitating seamless data transfer between computers and external devices.

Packaging/Quantity

The FT232RL-REEL is typically packaged in reels, containing a specific quantity of integrated circuits per reel.

Specifications

• Operating Voltage: 3.3V
• Data Transfer Rate: Up to 3 Mbps
• Interface: USB 2.0
• Supported Protocols: UART, FIFO, Bit-Bang, GPIO
• Operating Temperature Range: -40°C to +85°C
• Supply Current: 8 mA (typical)

Detailed Pin Configuration

The FT232RL-REEL features a total of 28 pins, each serving a specific purpose. The pin configuration is as follows:

1. VCCIO: Power supply voltage for I/O pins
2. GND: Ground reference
3. NC: No connection
4. NC: No connection
5. TXDEN: Transmit enable control for RS485 mode
6. TXLED: Transmit LED drive output
7. RXLED: Receive LED drive output
8. PWREN#: Power enable input (active low)
9. NC: No connection
10. RESET#: External reset input (active low)
11. SUSPEND#: Suspend indication output
12. OSC: Crystal oscillator input
13. NC: No connection
14. NC: No connection
15. CBUS0: General-purpose I/O pin
16. CBUS1: General-purpose I/O pin
17. CBUS2: General-purpose I/O pin
18. CBUS3: General-purpose I/O pin
19. CBUS4: General-purpose I/O pin
20. GND: Ground reference
21. RI# / CBUS5: Ring Indicator input / General-purpose I/O pin
22. DCD# / CBUS6: Data Carrier Detect input / General-purpose I/O pin
23. RTS# / CBUS7: Request To Send output / General-purpose I/O pin
24. CTS# / CBUS8: Clear To Send input / General-purpose I/O pin
25. RxD: Serial receive data input
26. TxD: Serial transmit data output
27. DTR# / CBUS9: Data Terminal Ready output / General-purpose I/O pin
28. DSR# / CBUS10: Data Set Ready input / General-purpose I/O pin

Functional Features

The FT232RL-REEL offers several functional features that enhance its usability and versatility:

1. USB to Serial Conversion: It seamlessly converts USB signals to serial UART signals, enabling communication with various external devices.
2. Multiple Interface Support: The chip supports multiple interfaces, including UART, FIFO, Bit-Bang, and GPIO, providing flexibility for different applications.
3. Low Power Consumption: The FT232RL-REEL is designed to consume minimal power, making it suitable for battery-powered devices.
4. USB 2.0 Compliance: It is compliant with the USB 2.0 standard, ensuring compatibility with a wide range of USB-enabled devices.

Advantages and Disadvantages

Advantages

• Compact and integrated solution for USB to serial communication
• Supports multiple interfaces for versatile applications
• Low power consumption enhances energy efficiency
• USB 2.0 compliance ensures broad compatibility

Disadvantages

• Limited data transfer rate compared to some other high-speed USB solutions
• Requires additional external components for certain functionalities

Working Principles

The FT232RL-REEL operates by receiving USB signals from a computer and converting them into serial UART signals. These UART signals can then be used to communicate with external devices such as microcontrollers, sensors, and other peripherals. The chip integrates a USB transceiver and a serial UART interface, enabling seamless data transfer between the computer and the connected device.

Detailed Application Field Plans

The FT232RL-REEL finds extensive application in various fields, including but not limited to:

1. Embedded Systems: It is widely used