TL16C554 Datasheet (Texas Instruments)

TL16C554, ACE

The TL16C554 and the TL16C554I are enhanced quadruple versions of the TL16C550B asynchronous communications element (ACE).

Each channel performs serial-to-parallel conversion on data characters received from peripheral devices or modems and parallel-to-serial conversion on data characters transmitte

ąą TL16C554, TL16C554I ASYNCHRONOUS COMMUNICATIONS ELEMENT ą SLLS165G JANUARY 1994 REVISED MARCH 2006 D Integrated Asynchronous Communications Element D Consists of Four Improved TL16C550 ACEs Plus Steering Logic D In FIFO Mode, Each ACE Transmitter and Receiver Is Buffered With 16-Byte FIFO to Reduce the Number of Interrupts to CPU D In TL16C450 Mode, Hold and Shift Registers Eliminate Need for Precise Synchronization Between the CPU and Serial Data D Up to 16-MHz Clock Ra