Communication format
One byte
(8
bits) of data is transmitted/received with one
start bit and two
stop bits for a total of 11 bits.
Start bit
(1 bit)
3. 3. 2 Serial port specifications
. Stop bits
(2 bits)
FSK modulation
0 ... 1200 Hz 1
cycle
1 ... 2400 Hz 2
cycles
The serial port is a input/ output terminal for
asynchronous serial
transmission. Except for the signal level and
the shape of the connector, it
conforms to the
BIA RS-232C
specifications.
This section gives a simple explanation of
ACIA
transmission modes and
terms related to the serial port. For details on asynchronous
serial transmis-
sion please refer to books on this subject.
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