PC16550D Datasheet (Texas Instruments) - Universal Asynchronous Receiver/Transmitter

PC16550D, Universal Asynchronous Receiver/Transmitter

The PC16550D device is an improved version of the original 16450 Universal Asynchronous Receiver/Transmitter (UART).

Functionally identical to the 16450 on powerup (CHARACTER mode: can also be reset to 16450 Mode under software control) the PC16550D can be put into an alternate mode (FIFO mode) to r

PC16550D Features

* 1 Capable of Running All Existing 16450 Software.

* Pin for Pin Compatible With the Existing 16450 Except for CSOUT (24) and NC (29). The Former CSOUT and NC Pins Are TXRDY and RXRDY, Respectively.

* After Reset, All Registers Are Identical to the 16450 Register Set.