UNI-T UPO2000E Series, Programming Manual

Page: 80 / 94

UNI-T
UPO 3000E&UPO2000E Series Oscilloscope Programming Manual
:SBUS:SPI:CS:POLarity

Command format：
:SBUS:SPI:CS:POLarity {NEGative | POSitive}
:SBUS:SPI:CS:POLarity?
 Functional description：
Set the polarity of SPI bus chip selection, POSitive and NEGative.
 Return format：
Query return{NEGative | POSitive}.

For example：
:SBUS:SPI:CS:POLarity POSitive set the polarity of SPI bus chip selection as POSitive
:SBUS:SPI:CS:POLarity? query return POSitive
:SBUS:SPI:CLOCk:POLarity
 Command format：
:SBUS:SPI:CLOCk:POLarity {NEGative | POSitive}
:SBUS:SPI:CLOCk:POLarity?

Functional description：
Set the clock polarity of SPI bus, POSitive and NEGative.

Return format：
Query return{NEGative | POSitive}.
 For example：
:SBUS:SPI:CLOCk:POLarity POSitive set the clock polarity of SPI bus as POSitive
:SBUS:SPI:CLOCk:POLarity? query return POSitive
:SBUS:SPI:MISO:POLarity
 Command format：
:SBUS:SPI:MISO:POLarity {NEGative | POSitive}
:SBUS:SPI:MISO:POLarity?

Functional description：
Set the polarity of host computer input slave computer output source of SPI bus, POSitive and
NEGative.

Return format：
Query return{NEGative | POSitive}.

For example：
:SBUS:SPI:MISO:POLarity POSitive