XR16L2751, XR16 Datasheet - Exar Corporation

XR16L2751 2.25V TO 5.5V DUART

The XR16L27511 (2751) is a low voltage dual universal asynchronous receiver and transmitter (UART) with 5 Volt tolerant inputs. The device includes 2 additional capabilities over the XR16L2750: Intel and Motorola data bus selection and a “PowerSave” mode to further reduce sleep current to a minimum .

XR16L2751 Features

* of 64 bytes of TX and RX FIFOs, programmable FIFO trigger level, FIFO level counters, automatic hardware and software flow control, automatic RS-485 half duplex direction control with programmable turn-around delay, and a complete modem interface. Onboard registers provide the user with operational

XR16-L2751.pdf