16C550 Overview
The TL16C550A is a functional upgrade of the TL16C450 asynchronous munications 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 FIFOs are activated allowing 16 bytes (plus 3 bits of error data per byte in the receiver FIFO) to be stored in both receive...