16C550 Datasheet (ETC)

16C550, TL16C550

The TL16C550A is a functional upgrade of the TL16C450 asynchronous communications element (ACE).

Functionally identical to the TL16C450 on power up (character mode†), the TL16C550A can be placed in an alternate mode (FIFO) to relieve the CPU of excessive software overhead.

In this mode, internal FIF

TL16C550A ASYNCHRONOUS COMMUNICATIONS ELEMENT SLLS057D AUGUST 1989 REVISED MARCH 1996 D Capable of Running With All Existing TL16C450 Software D Fully Programmable Serial Interface Characteristics: 5-, 6-, 7-, or 8-Bit Characters Even-, Odd-, or No-Parity Bit Generation and Detection 1-, 1 1/2-, or 2-Stop Bit Generation Baud Generation (dc to 256 Kbit/s) D After Reset, All Registers Are Identical to the TL16C450 Register Set D In th

16C550 Features

* tive (high or low respectively) while the ACE is selected, the CPU is allowed to read status information or data fro