XR16L2551 Datasheet - Exar Corporation

XR16L2551 LOW VOLTAGE DUART

The XR16L2551 (L2551) is a low voltage dual universal asynchronous receiver and transmitter (UART) with 5 Volt tolerant inputs. The device includes additional capability over the ST16C2550: Intel and Motorola data bus interface selection, hardware and software flow control, infrared encoder/ decoder.

XR16L2551 Features

* of 16 bytes of TX and RX FIFOs and a complete modem interface. Onboard registers provide the user with operational status and data error tags. An internal loopback capability allows onboard diagnostics. Independent programmable baud rate generator is provided in each channel to support data rates up

XR16L2551_ExarCorporation.pdf