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RIGOL
2-32
DS4000E Programming Guide
Return Format
The query returns CHAN1, CHAN2, CHAN3, CHAN4, or OFF.
:BUS<n>:SPI:MISO:THReshold
Syntax
:BUS<n>:SPI:MISO:THReshold <thre>
:BUS<n>:SPI:MISO:THReshold?
Description
Sets or queries the threshold of the source channel of MISO data line of SPI decoding on the specified bus.
The default unit is V.
Parameter
Name
Type
Range
Default
<n>
Discrete
{1|2}
--
<thre>
Real
(-4 x VerticalScale - Offset) to (4 x VerticalScale - Offset)
Wherein, VerticalScale is the vertical scale of the MISO data
line source channel, refer to the :CHANnel<n>:SCALe
command; Offset is the vertical position of the MISO data line
source channel, refer to the :CHANnel<n>:OFFSet command.
0
Return Format
The query returns the threshold level in scientific notation.
:BUS<n>:SPI:MODE
Syntax
:BUS<n>:SPI:MODE <mode>
:BUS<n>:SPI:MODE?
Description
Sets or queries the decode mode of SPI decoding on the specified bus.
Parameter
Name
Type
Range
Default
<n>
Discrete
{1|2}
--
<mode>
Discrete
{CS|TIMeout}
TIMeout
Remarks
TIMeout: When the clock signal keeps in idle state for a specified time (greater than the time-out
period), the oscilloscope will sample the data of the source channel of data line on the specified edge
of the clock signal.
CS: When the chip select signal is the specified level, the oscilloscope will sample the data of the
source channel of data line on the specified edge of the clock signal.
Return Format
The query returns CS or TIM.
Содержание DS4000E Series
Страница 1: ...RIGOL Programming Guide DS4000E Series Digital Oscilloscope Aug 2016 RIGOL TECHNOLOGIES INC...
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Страница 266: ...RIGOL Chapter 3 Programming Examples 3 6 DS4000E Programming Guide...
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