FT232HQ-REEL

Product Overview

Category

The FT232HQ-REEL belongs to the category of USB-to-UART/FIFO interface ICs.

Use

This product is primarily used for bridging Universal Serial Bus (USB) and serial interfaces. It enables communication between a computer and various external devices through a UART (Universal Asynchronous Receiver-Transmitter) interface.

Characteristics

• USB 2.0 Full-Speed compatible
• Single chip USB-to-UART data transfer
• Integrated 1024 byte FIFO buffer
• Supports multiple interface options (UART, FIFO, Bit-Bang)
• Low operating voltage range: 1.8V to 5.25V
• Available in reel packaging

Package

The FT232HQ-REEL is available in a compact and industry-standard QFN (Quad Flat No-leads) package.

Essence

The essence of the FT232HQ-REEL lies in its ability to provide a seamless and efficient interface between USB and UART, enabling easy integration of serial communication capabilities into various electronic devices.

Packaging/Quantity

The FT232HQ-REEL is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• USB Compliance: USB 2.0 Full-Speed compatible
• Data Transfer Rate: Up to 12 Mbps
• Operating Voltage Range: 1.8V to 5.25V
• FIFO Buffer: 1024 bytes
• Interface Options: UART, FIFO, Bit-Bang
• Package Type: QFN

Detailed Pin Configuration

The FT232HQ-REEL features a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

1. VCCIO - Power supply for I/O pins
2. GND - Ground reference
3. CBUS0 - Configurable I/O pin 0
4. CBUS1 - Configurable I/O pin 1
5. CBUS2 - Configurable I/O pin 2
6. CBUS3 - Configurable I/O pin 3
7. CBUS4 - Configurable I/O pin 4
8. CBUS5 - Configurable I/O pin 5
9. CBUS6 - Configurable I/O pin 6
10. CBUS7 - Configurable I/O pin 7
11. TXDEN - Transmit Data Enable
12. RXLED - Receive LED indicator
13. TXLED - Transmit LED indicator
14. PWREN# - Power enable control
15. SLEEP# - Sleep mode control
16. RI# - Ring Indicator
17. DCD# - Data Carrier Detect
18. DSR# - Data Set Ready
19. RTS# - Request To Send
20. CTS# - Clear To Send
21. RESET# - Device reset control
22. RXF# - FIFO data available indicator
23. TXE# - FIFO empty indicator
24. RXD - UART receive data
25. TXD - UART transmit data
26. RTS - UART request to send
27. CTS - UART clear to send
28. DTR - Data Terminal Ready
29. DSR - Data Set Ready
30. DCD - Data Carrier Detect
31. RI - Ring Indicator
32. VCC - Power supply

Functional Features

The FT232HQ-REEL offers several functional features that enhance its usability and versatility:

1. USB-to-UART Bridging: Enables seamless communication between USB and UART interfaces.
2. FIFO Buffer: Integrated 1024 byte FIFO buffer ensures efficient data transfer.
3. Multiple Interface Options: Supports UART, FIFO, and Bit-Bang interfaces for flexible integration.
4. LED Indicators: Transmit and receive LED indicators provide visual feedback on data transfer activity.
5. Sleep Mode Control: Allows the device to enter a low-power sleep mode when not in use.
6. Configurable I/O Pins: Provides additional I/O pins that can be configured for specific application requirements.

Advantages and Disadvantages

Advantages

• High-speed USB 2.0 Full-Speed compatibility
• Integrated FIFO buffer for efficient data transfer
• Wide operating voltage range allows for versatile applications
• Multiple interface options offer flexibility in design
• Compact QFN package for space-constrained designs

Disadvantages

• Limited number of configurable I/O pins
• Requires external components for complete functionality
• May require additional drivers for certain operating systems

Working Principles

The FT232HQ-REEL operates by converting USB data packets into UART-compatible signals. It utilizes an integrated USB controller and UART engine to handle the USB-to-UART conversion process. The device communicates with the host computer through the USB interface, while the UART interface connects to the external device