FTDI's FT312D is a USB 2.0, Full Speed host IC, specifically targeted at providing access to peripheral hardware from an Android platform with a USB device port. The device will bridge the USB port to a UART interface via the Android Open Accessory protocol.
Features
- Single chip USB to UART interface
- Entire USB protocol handled on the chip – no USB specific firmware programming required
- USB bulk transfer mode
- Basic UART interface with RXD, TXD, RTS#, CTS# pins
- TX_ACTIVE signal for controlling transceivers on RS485 interfaces
- UART RX buffer size is 5512 bytes, UART TX buffer size is 256 bytes
- USB_ERROR indicator pin
Typical Applications
- Connecting Android phones to USB accessories
- Connecting Android tablets to USB accessories
- Controlling instrumentation from Android devices
- Home automation via Android devices
- Data logging from USB accessories
- Connecting serial printing devices to Android devices
