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R65C51

ETC
Part Number R65C51
Manufacturer ETC
Description ASYNCHRONOUS COMMUNICATIONS INTERFACE ADAPTER
Published Sep 6, 2005
Detailed Description R65C51 ASYNCHRONOUS COMMUNICATIONS PRELiMlNARY DESCRIPTION The Rockwell CMOS R65C51 Asynchronous Communications Interfac...
Datasheet PDF File R65C51 PDF File

R65C51
R65C51

Overview
R65C51 ASYNCHRONOUS COMMUNICATIONS PRELiMlNARY DESCRIPTION The Rockwell CMOS R65C51 Asynchronous Communications Interface Adapter (ACIA) provides an easily implemented, program 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 eliminates 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 different rates from 50 to 19,200 baud, or at l/16 times an external clock rate.
The Receiver baud rate may be selected under program 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.
The ACIA is designed for maximum programmed the microprocessor (MPU), to simplify hardware tion.
Three separate registers permit t...


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