SDS1000X-E User Manual
94
UART Trigger and Serial Decode
Please in order of “Setup for UART Signals”, “UART Trigger” and “UART Serial
Decode” to trigger and decode the signals.
Setup for UART Signals
1. Press the Decode key to enter the DECODE function menu.
2. Press the Decode softkey and select the desired slot (Decode1 or Decode2).
3. Press the Protocol softkey and then select UART by turning Universal Knob.
4. Press the Signal softkey to enter the SIGNAL menu as below shows.
Figure 47 UART SIGNAL Menu
5. Set RX:
a) Press the RX to select the channel that is connected to the RX signal.
b) Press the first Threshold key to set the RX signal’s threshold voltage level by
Universal Knob. The threshold voltage level is for decoding, and it will be regard
as the trigger voltage level when set the trigger type to serial.
6. Set TX:
a) Press the TX to select the channel that is connected to the TX signal.
b) Press the second Threshold key to set the TX signal’s threshold voltage level by
Universal Knob. The threshold voltage level is for decoding, and it will be regard
as the trigger voltage level when set the trigger type to serial.
7. Press the softkey to return previous menu.
8. Press the Configure softkey to enter BUS CONFIG menu.
Figure 48 BUS CONFIG Menu
9. Press the Baud softkey to set baud rate.
The baud rate can be set as predefined value.
If the desired baud rate is not listed, press the Baud and select custom option,
press the Custom and turn the Universal Knob to set the desired baud rate.
10. Press the Data Length softkey and set byte bits (5-8) by Universal Knob.
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