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PC16550D Datasheet - National Semiconductor

PC16550D_NationalSemiconductor.pdf

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Datasheet Details

Part number:

PC16550D

Manufacturer:

National Semiconductor

File Size:

345.00 KB

Description:

Universal asynchronous receiver/transmitter.

PC16550D, Universal Asynchronous Receiver/Transmitter

The PC16550D is an improved version of the original 16450 Universal Asynchronous Receiver Transmitter (UART) Functionally identical to the 16450 on powerup (CHARACTER mode) the PC16550D can be put into an alternate mode (FIFO mode) to relieve the CPU of excessive software overhead In this mode inter

PC16550D Features

* Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y 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 In

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