Serial Ports: Difference between revisions

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===Interrupt enable register===

To communicate with a serial port in interrupt mode, the interrupt-enable-register (see table above) must be set correctly. To determine which interrupts should be enabled, a value with the following bits (0 = disabled, 1 = enabled) must be written to the interrupt-enable-register:

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! Bit

! Interrupt

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| 0 || Data available

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| 1 || Transmitter empty

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| 2 || Break/error

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| 3 || Status change

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| 4-7 || Unused