Datasheet Summary
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MAY 2007
HIGH PERFORMANCE LOW VOLTAGE DUART WITH 16-BYTE FIFO AND POWERSAVE FEATURE
REV. 1.0.1
GENERAL DESCRIPTION
The XR16M25511 (M2551) is a high performance dual universal asynchronous receiver and transmitter (UART) with 16 byte TX and RX FIFOs. The device operates from 1.62 to 3.63 volts and is pin-to-pin patible to the XR16L2551 and XR16V2551. The M2551 includes 2 additional capabilities over the XR16M2550: Intel and Motorola data bus selection and a “PowerSave” mode to minimize the sleep current. It supports Exar’s enhanced Features of selectable FIFO trigger level, automatic hardware (RTS/CTS) and software flow control, and a plete modem...