XR16C2450 - Exar Corporation

XR16C2450 2.97V TO 5.5V DUART

The XR16C2450 (2450) is a dual universal asynchronous receiver and transmitter (UART). The XR16C2450 is an improved version of the XR16C2450 with lower operating voltage and 5 volt tolerant inputs. The 2450 provides enhanced UART functions, a modem control interface and data rates up to 1.5 Mbps. Onboard status registers provide the user with error indicatio.

Features

• 2.97 to 5.5 Volt Operation
• 5 Volt Tolerant Inputs
• Pin-to-pin compatible to Exar’s XR16C2450, ST16C2550, XR16C2850 TQFP package XR16L2550, XR16L2750 and
• Pin-to-pin compatible to TI’s TL16C752B on the 48
• 2 independent UART channels
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■ Up to 1.5 Mbps data rate with a 24 MHz crystal oscillator or external clock frequency 1 byte Transmit FIFO 1 byte Receive FIFO with error tags Status report registers Modem control signals (CTS#, RTS#, DSR#, DTR#, RI#, CD#) Programmable character lengths (5, 6, 7, 8) with even, odd, or no parity
• Crystal oscillator or external clock input
• T.