Pending
FTDI extends operating temperature of Vinculum embedded USB host controller
Future Technology Devices International announces the availability of an extended operating temperature version of its popular embedded USB host controller, Vinculum VNC1L. The device is now specified to operate over the temperature range of -40ºC to + 85º C. With this increased range of operating temperature the VNC1L is now suitable for use in a much wider range of consumer and industrial appliances. In particular, hand-held personal electronics devices such as personal media players, GPS navigation, cellular phones and digital cameras can benefit from VNC1L’s embedded USB host capabilities.
FTDI’s VNC1L provides USB host interface and data transfer, and supports the most popular device classes of mass storage, printer and human interface device (HID). HID class devices typically include keyboards and mice. When interfacing to Flash drives, VNC1L manages the file allocation table (FAT) structure by using a straightforward command set. The device has 8 and 32-bit custom processor cores, dual DMA controllers, 64k embedded flash and 4k internal SRAM memory. VNC1L features two independent USB 2.0 low/full speed, host/slave ports. These can be configured as UART, serial peripheral interface (SPI) or parallel FIFO interfaces. VNC1L also has up to 28 general-purpose I/O (GPIO) pins available depending on configuration. The VNC1L is configured via the UART interface using a choice of free, downloadable firmware – no external software control required.
The VNC1L operates from a single +3.3V supply with +5V tolerant inputs. The VNC1L has a low operational power requirement of 25mA and 2mA when in standby mode; making it perfect for portable battery-powered designs.
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