Asynchronous Communications Interface Adapter

The Rockwell CMOS R65C51 Asynchronous Communications Interface Adapter (ACIA) provides an easily implemented, pro- gram controlled Interface between 8-bit microprocessor-based systems and serial Communication data sets and modems. The ACIA has an internal baud rate generator. This feature elim- inates the need for multiple component support circuits, a crystal being the only other part required. The Transmitter baud rate CAN be selected under program control to be either 1 of 15 dif- ferent rates from 50 to 19,200 baud, or at l/16 times an external Clock rate. The Receiver baud rate may be selected under pro- gram control to be either the Transmitter rate, or at l/16 times the external Clock rate. The ACIA has programmable word lengths of 5, 6, 7, or 8 bits; even, odd, or no parity; 1, 1'12, or 2 stop bits. By Unkown
R65C51 's PackagesR65C51 's pdf datasheet

R65C51 Pinout, Pinouts
R65C51 pinout,Pin out
This is one package pinout of R65C51,If you need more pinouts please download R65C51's pdf datasheet.

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