The FT311D features include: Interface configuration via 3 mode select pins; Basic UART function of Rx, Tx, RTS, CTS with Tx Active; 4 PWM channels; Host stack, class driver, Open Accessory driver, and IP bridging functionality; 3.3 V single supply with 5 V tolerant I/O; 32 pin LQFP or QFN footprint; Extended temperature range of -40°C to +85°C. In addition, extensive FT311D development support is available, including development hardware, applications, white-paper, and datasheets.