Spi Trigger (Option) - Rigol DS1000Z Series User Manual

Chapter 5 To Trigger the Oscilloscope

SPI Trigger (Option)

Trigger on the data pattern on the specified edge. When using SPI trigger, you need
to specify the SCL and SDA data sources. Below is the sequence chart of SPI bus data
transmission.
Processor 1[SPI Host]
Serial Data Line Buffer
(SPIxRXB)
Shift Register
SPIxSR
Highest Bit
Serial Transmission Buffer
(SPIxTXB)
SPI Buffer
SPIxBUF
Trigger Type:
Press Type to select "SPI". At this point, the trigger setting information as shown in
the figure below is displayed at the upper right corner of the screen.
Source Selection:
Press SCL and SDA to specify the data sources of SCL and SDA respectively. They
can be set to CH1-CH4 and the current trigger source is displayed at the upper right
corner of the screen.
Trigger Condition:
Press When to select the desired trigger condition.
CS: trigger when the CS channel is select high level or low level. After this

trigger condition is selected, press Mode to select
DS1000Z User's Guide
SDOx
SDIx
Lowest Bit
Serial Clock
SCKx
Processor 2[SPI Slave]
SDIx
Serial Data Line Buffer
(SPIxRXB)
SDOx
Shift Register
SPIxSR
Highest Bit
Serial Transmission Buffer
(SPIxTXB)
SCKx SPI Buffer
SPIxBUF
or
RIGOL
Lowest Bit
. Note
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