Xerox 4213, Programmer'S Reference Manual

Page: 36 / 246

INTERFACES
Serial interface features supported
The 4213 supports the following serial interface features:
•
Bit rate within a character may be up to 19.2K baud
•
Baud rates of 1,200, 2,400, 4,800, 9,600, 19,200
•
Character format: bit serial
•
Character asynchronous
•
Start bit (space)
•
7 or 8 data bits (1=mark, 0=space)
•
Optional parity bit
•
Stop bit (mark)
•
Data bits represent a character.
•
Least significant data bit leads
•
Number of bits and polarity of parity are selectable via the
User Interface.
•
Parity error is enabled only when even or odd parity is
selected.
Serial signals and pin assignments
Table 1-6 describes the signals and pin assignments used with
the asynchronous serial interface.
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