Up: Serial Communications Protocol
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This protocol is intended to be used with a standard asynchronous
serial port running at 9600 or 19200 baud, 8 data bits, no parity, one
stop bit (8-N-1). Electrical characteristics of the serial line may
follow EIA 232C, EIA 422 or EIA 485 specifications.
Support for the 68HC11 internal serial communications interface (SCI)
shall be provided, as well as for the R65C51 Asynchronous
Communications Interface Adapter (ACIA).
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