FTDI Chip FT312D-32Q1C-T, USB Controller, 3.3 V, 32-Pin QFN

The FT312D provides a bridge between peripheral hardware/systems and an Android platform with a USB device port. The FT312D will enumerate USB and Android Open Accessory and provide a UART interface for peripheral integration. Note, proper compatibility requires Android Open Accessory Mode, available in Android platforms 3.1 onwards.

USB 2.0 Full Speed Host
USB to UART bridge
USB ERROR indicator pin
Single power supply operation at 3.3V
Internal 1.8V LDO regulator
Internal memory for storing configurable strings – allows Android to automatically detect the device and application
Extended operating temperature range : -40°C to 85°C
Available in Pb-free QFN-32 and LQFP-32 packages.
Applications
Connect an Android device to a motor controller
Motor/robotic device control
Connect an Android device to an external microcontroller
Debug
Firmware upgrades
Connect an Android device to external sensors
Fleet management
Connect an Android device to external storage
Data logging
Connect an Android device to a printer
Print photos from a phone or tablet