UNI-T MSO/UPO2000 Series Programming Manual page 90

Programming Manual
:SBUS:SPI:BITorder?
:SBUS:SPI:CS:POLarity
Command format：

:SBUS:SPI:CS:POLarity {NEGative | POSitive}
:SBUS:SPI:CS:POLarity?
Functional description：

This command is used to set SPI bus chip selection polarity of the oscilloscope, which includes POSitive
and NEGative.
Return format：

Query returns {NEGative | POSitive}.
For example：

:SBUS:SPI:CS:POLarity POSitive
:SBUS:SPI:CS:POLarity?
:SBUS:SPI:CLOCk:POLarity
Command format：

:SBUS:SPI:CLOCk:POLarity {NEGative | POSitive}
:SBUS:SPI:CLOCk:POLarity?
Functional description：

This command is used to set SPI bus clock polarity of the oscilloscope, which includes POSitive and
NEGative.
Return format：

Query returns {NEGative | POSitive}.
For example：

:SBUS:SPI:CLOCk:POLarity POSitive
:SBUS:SPI:CLOCk:POLarity?
:SBUS:SPI:MOSI:POLarity
Command format：

:SBUS:SPI:MOSI:POLarity {NEGative | POSitive}
:SBUS:SPI:MOSI:POLarity?
Functional description：

This command is used to set the polarity of SPI bus master input slaver output source of the osciolloscope,
which includes POSitive and NEGative.
Return format：

Query returns {NEGative | POSitive}.
For example：

:SBUS:SPI:MOSI:POLarity POSitive
Set the polarity of SPI bus master input slaver output source to POSitive.
Instruments.uni-trend.com
Query returns LSBFirst.
Set SPI bus chip selection polarity to POSitive.
Query returns POSitive.
Set SPI bus clock polarity to POSitive.
Query returns POSitive.
MSO/UPO2000 Series
90 / 156