Future Technology Devices FT232H hi-speed device

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Future Technology Devices has expanded its range of USB interface IC products with the release of the FT232H USB2.0 hi-speed device.

This single-channel USB to UART/FIFO interface device can be configured via EEPROM to use a variety of different serial or parallel interfaces. Bundled with the company’s device drivers, this solution enables engineers to add hi-speed USB connectivity into new and legacy peripheral designs with a minimum of design and support effort.

In addition, the associated UM232H evaluation module allows engineers to prototype and test the device’s suitability for incorporation into new system designs.

This integrated controller contains USB, serial and parallel protocol engines, eliminating any requirement for USB specific firmware development. The device supports IO interface levels of 3.3 V with 5 V tolerant inputs, making it suitable for connection to a wide variety of logic, MPUs and FPGAs.

As well as supporting asynchronous serial (UART) interfacing, it also supports interface to many synchronous IOs such as SPI, I²C, JTAG, and FPGA programming interfaces, via its in-built multiprotocol synchronous serial engine that can communicate at speeds of up to 30 Mbps.

Incorporated as an interface option is the FT1248 bus - a synchronous, half-duplex serial/parallel interface capable of communicating with external logic at data rates of up to 30 MBps. The unusual feature of the FT1248 bus is its ability to trade off bandwidth against the number of physical data lines (one, two, four or eight) available to connect the FT232H to external logic.

Integrated 1.8 and 3.3 V low drop-out voltage regulators reduce external component requirements, while the 1 KB transmitter and receiver data buffers coupled with USB2.0 hi-speed technology offer improved data throughput and reduced latency response times.