Low pin count UARTs cut board footprint by 8x

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By eeNews Europe

Packaged in a 5x5mm 32-pin QFN (two UART channels) and in a 7x7mm 48-pin TQFP (four UART channels), the LPC UARTs reduce footprint by a factor of 8 compared to 128-pin super I/O devices, while increasing data integrity and throughput.

Both the two-channel XR28V382 and four-channel XR28V384 UARTs include Exar’s automatic half duplex control for RS-485 networks.  These parts feature 128 byte transmit and receive FIFOs, are rated for the industrial temp range, and operate at 3.3V.  Each UART channel supports serial data rates up to 3Mbps.

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