FT232H Single Channel USB UART/FIFO IC Driver

Download the FT232H Single Channel USB UART/FIFO IC driver here. Operating at a rapid USB Hi-Speed 480Mbps rate, this single-channel bridge chip delivers impressive performance. It offers the choice between a flexible serial interface or a parallel FIFO interface, enabling data transfer speeds of up to 40Mbytes/s.

FT232H Single Channel USB UART/FIFO IC Driver

Table of Contents

By utilizing a serial EEPROM interface, the device can be easily configured to support a wide range of asynchronous and synchronous serial standards, including JTAG, SPI, I2C, and UART. It also supports both synchronous and asynchronous parallel FIFO interfaces.

A notable feature of this chip is the inclusion of the new synchronous, half-duplex FT1248 bus. This bus allows engineers to optimize between bandwidth and pin count by utilizing 1, 2, 4, or 8 data lines, achieving data rates of up to 30Mbytes/s. This flexibility provides engineers with a range of options to suit their specific design requirements.

Integration

The I/O structure of the chip operates at 3.3V, with built-in tolerance for 5V. This allows for seamless integration and maximum flexibility when interfacing with FPGA devices. The chip also features on-board voltage regulation, supplying both 3.3V and 1.8V power sources from a 5V input. Additionally, it includes a power-on-reset function to ensure reliable operation. See also the FT231X – Full Speed USB to Full UART and cp2102 driver.

To simplify driver development, FTDI offers royalty-free virtual com port and D2XX drivers. These drivers are available for Microsoft Windows (XP – Windows 7), Apple Mac OSX, and Linux operating systems. This comprehensive driver support facilitates smooth and efficient integration of the chip into various platforms.

Hardware Features

The chip in question provides a versatile solution for single-channel USB to serial/parallel port conversions. Likewise offering a range of configurations to suit different needs. One notable feature is the chip’s ability to handle the entire USB protocol internally, eliminating the need for USB-specific firmware programming.

The chip is compatible with USB 2.0 Hi-Speed (480Mbits/Second) and Full Speed (12Mbits/Second). Likewise ensuring seamless integration with various USB devices and systems. In addition to simplify synchronous serial protocol design. It incorporates a Multi-Protocol Synchronous Serial Engine (MPSSE). This feature streamlines the implementation of protocols such as USB to JTAG, I2C, SPI, or bit-bang.

Transfers

For UART transfers, the chip supports data rates of up to 12Mbaud. It also offers USB to asynchronous 245 FIFO mode, enabling high-speed data transfers of up to 8 MByte/Sec. Additionally, the chip supports USB to synchronous 245 parallel FIFO mode, providing even faster data transfers of up to 40 Mbytes/Sec. Furthermore, it supports a half-duplex FT1248 interface with a configurable width, allowing for flexible data bus configurations of 1, 2, 4, or 8 bits.

To simplify CPU interface design, the chip offers a CPU-style FIFO interface mode. This mode ensures efficient and straightforward integration with CPUs. Moreover, it includes a fast serial interface option, catering to applications that require high-speed serial communication.

Software

FTDI provides royalty-free Virtual Com Port (VCP) and Direct (D2XX) drivers, eliminating the need for custom USB driver development in most cases. This simplifies the driver implementation process, saving time and effort for developers. The chip also features an adjustable receive buffer timeout and the option for transmit and receive LED drive signals.

For versatile interface options, the chip includes a Bit-bang Mode with RD# and WR strobes. This mode allows for flexible control of individual bits. It also supports asynchronous serial UART interface with full hardware handshaking and modem interface signals. The UART interface provides support for various data configurations, including 7/8 bit data, 1/2 stop bits, and Odd/Even/Mark/Space/No Parity.

Applications

For RS485 serial applications, the chip offers auto-transmit enable control using the TXDEN pin. This feature simplifies the implementation of RS485 communication. The chip’s operation configuration mode and USB Description strings can be configured via an external EEPROM using the USB interface.

The chip provides configurable I/O drive strength and slew rate, offering customization options to meet specific application requirements. It operates at low power and USB suspend current levels, ensuring energy efficiency. It also supports self-powered, bus-powered, and high-power bus-powered USB configurations. Furthermore, it is compatible with UHCI/OHCI/EHCI host controllers, ensuring compatibility with a wide range of host systems.

In terms of data transfer, the chip supports USB Bulk data transfer mode, utilizing 512-byte packets in Hi-Speed mode. It supports +1.8V (chip core) and +3.3V I/O interfacing, with +5V tolerance. The chip is designed to operate within an extended industrial temperature range of -40°C to 85°C.

Likewise making it suitable for various environmental conditions. In addition it is available in a compact 48-pin Lead-Free LQFP or QFN package. Additionally, it offers configurable ACBUS I/O pins, providing flexibility for different system configurations. Finally also read the price on Serial Port Cards on this website and TL-WN722N troubleshooting.