FT2232HQ
The image is for illustrative purposes only; please refer to the product data sheet for precise specifications.
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| Part Number | FT2232HQ |
|---|---|
| Manufacturer |
 FTDI
|
| Description | The FT2232HQ is a high-performance USB 2.0 Hi-Speed dual-channel multi-protocol interface controller developed by FTDI (Future Technology Devices International Ltd.), designed to provide fast and flexible communication between USB host systems and embedded electronic devices. Belonging to the FT2232H USBmadeEZ family, this integrated circuit combines two independent serial and parallel interface channels, dual Multi-Protocol Synchronous Serial Engines (MPSSE), and high-speed USB protocol processing within a compact 64-pin QFN package. Its versatile architecture makes it an excellent solution for industrial communication equipment, FPGA programming interfaces, embedded debugging tools, and high-speed data acquisition systems. The FT2232HQ supports USB 2.0 Hi-Speed operation at 480Mbps while maintaining compatibility with USB Full-Speed operation at 12Mbps. Its integrated USB protocol engine manages communication between the host computer and connected peripheral circuitry without requiring application-specific USB firmware. The device supports USB bulk data transfers with 512-byte packets in Hi-Speed mode, enabling efficient communication for applications involving continuous data exchange, instrumentation, and embedded system control. Actual application throughput depends on the selected interface mode, USB host performance, software configuration, and transfer overhead. One of the key advantages of the FT2232HQ is its dual independent communication channel architecture. Each channel can be configured for supported serial or parallel communication functions, allowing a single USB connection to provide two separate interfaces. The device supports asynchronous UART communication at data rates up to 12MBaud, making it suitable for high-speed serial communication with microcontrollers, embedded processors, and industrial control systems. The UART interfaces provide configurable data formats, parity selection, hardware handshaking, and software flow control for reliable asynchronous communication. The integrated dual Multi-Protocol Synchronous Serial Engines (MPSSE) enable flexible implementation of synchronous communication protocols, including JTAG, SPI, and I2C. Both MPSSE engines can operate simultaneously, allowing the device to communicate with multiple digital interfaces through a single USB connection. This functionality is particularly useful for FPGA programming, microcontroller debugging, boundary-scan testing, SPI memory programming, and I2C peripheral communication. The MPSSE architecture reduces the need for dedicated interface controllers and simplifies the development of multifunction USB programming and diagnostic equipment. For applications requiring higher data throughput, the FT2232HQ supports asynchronous and synchronous parallel FIFO communication modes. Its standard parallel FIFO interface provides transfer rates of up to 10MB/s, while the dedicated single-channel synchronous FIFO mode supports data transfer rates of up to 40MB/s under suitable operating conditions. These capabilities make the device especially useful for high-speed data acquisition, FPGA communication, digital instrumentation, and applications requiring efficient transfer of large data blocks between embedded hardware and host computers. The FT2232HQ also provides CPU-style FIFO communication, 8051 microcontroller bus emulation, fast opto-isolated serial communication, and configurable bit-bang operating modes. Its enhanced bit-bang functionality allows software-controlled digital I/O operations with configurable control signals, enabling applications beyond conventional UART and FIFO communication. The device supports up to 32 configurable digital I/O signals, depending on the selected interface modes, providing additional flexibility for custom USB-controlled electronic systems and automated test equipment. The integrated UART functionality supports 7-bit and 8-bit data formats, one or two stop bits, and odd, even, mark, space, or no parity. Hardware flow control and XON/XOFF software flow control help manage communication between connected devices. The FT2232HQ can also support RS232, RS422, and RS485 communication applications when used with appropriate external electrical transceivers. Its configurable transmit-enable functionality simplifies integration with half-duplex RS485 networks and industrial serial communication equipment. The device incorporates an integrated 1.8V low-dropout regulator for its internal core circuitry, together with power-on reset functionality and an internal clock multiplier PLL. It supports a 3.3V I/O supply architecture with 5V-tolerant digital interface inputs under specified conditions, providing compatibility with a broad range of embedded logic systems. The FT2232HQ is designed for industrial operating temperatures from -40°C to +85°C, making it suitable for demanding automation, instrumentation, and industrial communication applications. Appropriate power supply connections, decoupling capacitors, and external clock circuitry must be implemented according to the device requirements. For configuration flexibility, the FT2232HQ supports an external serial EEPROM that can store USB identification parameters, device descriptions, serial numbers, and interface operating configurations. The EEPROM can be programmed through the USB interface using compatible FTDI configuration utilities. The device also supports FTDI Virtual COM Port (VCP) and D2XX direct-access drivers, enabling developers to communicate through conventional serial-port software or dedicated application programming interfaces. Driver availability for major operating systems, including Windows, Linux, and macOS, helps simplify integration into existing software environments. The FT2232HQ supports bus-powered and self-powered USB configurations, along with USB suspend and resume functionality for efficient power management. Configurable I/O drive strengths and slew-rate settings provide additional flexibility when optimizing signal integrity and electromagnetic compatibility. The device operates as a USB peripheral controller rather than a USB host controller, making it suitable for connecting embedded hardware to computers and other USB host systems. Proper differential USB signal routing, grounding, and PCB layout practices are recommended for reliable operation at USB Hi-Speed data rates. The FT2232HQ is supplied in a compact 64-pin QFN surface-mount package measuring 9 × 9 mm, featuring an exposed bottom pad that must be connected to the system ground. This package provides a space-efficient solution for high-density printed circuit boards and supports automated reflow soldering and surface-mount assembly. The device is available in FT2232HQ-TRAY packaging with 260 pieces per standard tray and FT2232HQ-REEL packaging with 4,000 pieces per manufacturer reel. Its lead-free, RoHS-compliant construction supports modern electronic manufacturing requirements and high-volume production processes. The FT2232HQ is suitable for applications including USB-to-dual-UART converters, USB-to-FIFO interfaces, FPGA programming and debugging tools, JTAG adapters, SPI and I2C programmers, microcontroller development boards, industrial automation systems, laboratory instrumentation, high-speed data acquisition equipment, embedded test systems, USB-to-RS232 and RS485 converters, digital communication modules, and custom USB peripheral devices. Its combination of 480Mbps USB 2.0 Hi-Speed connectivity, dual independent communication channels, 12MBaud UART capability, 40MB/s synchronous FIFO operation, dual MPSSE engines, and compact QFN-64 packaging makes it a powerful and versatile solution for engineers developing advanced USB-connected embedded electronic systems. |
| Product Group | USB UART |
| MOQ | pcs |
| SPQ | pcs |
| Figure/Case | LQFP-64 |
| Package | TRAY Pack |
 PDF Datasheet | |
| Ship From | Hong Kong |
| Shipment Way | DHL / Fedex / TNT / UPS / Others |
| Delivery Term | |
| Send RFQ | sales@signalhk.com |
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FT2232HQ
FT2232HQ