EXAR 16-BYTE Manuals

The ST16C554/554D is a full-duplex serial communication controller developed by EXAR Corporation, which supports 16-byte FIFO, multiple interface modes and multiple interrupt control modes. It can be widely used in network devices, data terminals, industrial control and consumer electronics.

The ST16C550 is a universal asynchronous receiver and transmitter with 16 byte transmit and receive FIFO. It operates at 2.97 to 5.5 volts. A programmable baud rate generator can select transmit and receive clock rates from 50 bps to 1.5 Mbps. The ST16C550 is an improved version of the NS16C550 UART with higher operating speed and lower access time.