XR16L2751 duart equivalent, 2.25v to 5.5v duart.
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.
Up to 6.25 Mbps at 5 Volt, 4 Mbps at 3.3 Volt, and 3 Mbps at 2.5 Volt with 8X sampling rate 64 bytes of Transmit and Re.
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” .
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