Protocol analysis
R&S
®
RTE
556User Manual 1326.1032.02 ─ 20
9. Set the "Data bits" and "Parity".
10. Set the "Bit order", "Polarity" and "Packets".
11. Enable "Decode".
13.4.3 UART trigger
13.4.3.1 UART trigger settings
Access: [PROTOCOL] > "Trigger" tab > "Source = Serial Bus"
Make sure that:
●
In the [PROTOCOL] > "Decode" tab:
– The correct "Protocol" is selected.
– The data sources of the serial bus are channel signals.
●
In the "Trigger" > "Setup" tab:
– The trigger "Sequence" = "A only".
– The trigger "Source" = "Serial bus".
– The correct "Serial bus" is selected.
Type
Selects the trigger type for UART analysis.
"Start bit"
Triggers on a start bit. The start bit is the first low bit after a stop bit.
"Packet start"
Triggers on the begin of a data packet.
The frame start is configured with Packets.
UART/RS-232/RS-422/RS-485 (option R&S RTE-K2)