FTDI FT313H host controller IC

Friday, 01 February, 2013 | Supplied by: Glyn Ltd

FTDI FT313H host controller IC

The FT313H host controller IC supports USB 2.0 high-speed (480 Mbps), full-speed (12 Mbps) and low-speed (1.5 Mbps) implementations. Designed for easy integration, it adds high-speed connectivity capability into a system through its support of standard USB class drivers.

The system’s specifications make it applicable for use across market segments including industrial, networking, medical and consumer. The device runs off a 3.3 V supply, with IO levels configurable between 1.8 and 3.3 V drawing approximately 78 mA when in full operation and just under 200 µA while in suspend mode. The built-in 24 KB high-speed RAM memory executes data transfer and buffering. The multiplexed interface provides for board-level interconnect through either a general-purpose 16-bit bus, NOR or SRAM interfaces while minimising pins on the chip.

With the capacity for direct memory access operation, the IC can be combined with the system microcontroller in order to enhance connectivity so that data transfer rates can be increased.  For example, a set-top box can gain wireless functionality by attaching a wireless USB dongle via a FT313H host port.

The product’s downstream port can be configured to offer an optimised USB charging solution for the end product, with charging downstream port or dedicated charging port options to choose from. When this standardised USB charging link is created between the embedded host and the peripheral, increased charging is permitted.

There is a demand to have a USB host in end systems and the product provides engineers with a way to add this capability to their designs. In contrast to host solutions integrated into a microcontroller/microprocessor, which are generally just full speed, the USB high-speed operation of the device means engineers can expand system connectivity and take advantage of the large base of emerging USB products.

The device has an operational temperature range of -40 to 85°C, enabling it to be employed in demanding environmental settings. It is available in compact Pb-free, 64-pin QFN, LQFP and TQFP packages.

Online: www.glyn.com.au
Phone: 02 9889 2520
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