FT232R USB UART Driver IC, which simplifies USB to serial designs and provides an external EEPROM, USB termination It is a device that reduces the number of external components by fully integrating resistors and an integrated clock circuit that does not require an external crystal into the device. It is designed to work efficiently with a USB host controller, using as little of the total available USB bandwidth as possible. The FT232R supports FTDI's previous chip generation bit-bang mode. In bit-bang mode, eight UART lines can be switched from normal interface mode to 8-bit general-purpose I/O port. Data packets can be sent to the device and are sent to the interface at a rate controlled by an internal timer (equivalent to a baud rate prescaler).
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