Protocol analysis
R&S
®
RTE
552User Manual 1326.1032.02 ─ 20
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The start bit is a logic 0.
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The stop bits and the idle state are always logic 1.
The UART protocol has no clock for synchronization. The receiver synchronizes by
means of the start and stop bits, and the bit rate that must be known to the receiver.
Trigger
The R&S RTE can trigger on specified parts of UART serial signals:
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Start bit
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Packet start
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Parity errors, and breaks
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Stop errors
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A serial pattern at any or a specified position
13.4.2 UART configuration
13.4.2.1 UART configuration settings
Access: [PROTOCOL] > "Decode" tab > "Protocol" = UART / RS232
Make sure that the tab of the correct serial bus is selected.
UART/RS-232/RS-422/RS-485 (option R&S RTE-K2)
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