Serial Ports: Difference between revisions

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The serial controller can be configured to send a number of bits after each character of data. These reliable bits can be used to by the controller to verify that the sending and receiving devices are in phase.
 
TheIf stopsthe character length is specifically 5 bits, the stop bits can only be set to 1, 1.5 or 2. 1.5. stop bitsFor isother usedcharacter insteadlengths, ofthe 2stop ifbits andcan only ifbe theset wordto length1 isor 5 bits2.
 
To set the number of stop bits, set bit 2 of the Line Control Register [PORT + 3].
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| 1
| 1.5 / 2 (depending on character length)
|}
 
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